diff --git a/app/panel/node/node.cpp b/app/panel/node/node.cpp
index d6abc3a1d..5e694867b 100644
--- a/app/panel/node/node.cpp
+++ b/app/panel/node/node.cpp
@@ -31,7 +31,8 @@ NodePanel::NodePanel(QWidget *parent) :
   // Connect node view signals to this panel - MAY REMOVE
   connect(node_widget_->view(), &NodeView::NodesSelected, this, &NodePanel::NodesSelected);
   connect(node_widget_->view(), &NodeView::NodesDeselected, this, &NodePanel::NodesDeselected);
-  connect(node_widget_->view(), &NodeView::NodeGroupOpenRequested, this, &NodePanel::NodeGroupOpenRequested);
+  connect(node_widget_->view(), &NodeView::NodeGroupOpened, this, &NodePanel::NodeGroupOpened);
+  connect(node_widget_->view(), &NodeView::NodeGroupClosed, this, &NodePanel::NodeGroupClosed);
 
   // Set it as the main widget of this panel
   SetWidgetWithPadding(node_widget_);
diff --git a/app/panel/node/node.h b/app/panel/node/node.h
index f1dae048f..b9a5ebf35 100644
--- a/app/panel/node/node.h
+++ b/app/panel/node/node.h
@@ -40,10 +40,9 @@ public:
     return node_widget_;
   }
 
-  const QVector<Node*> &GetContexts() const
-  {
-    return node_widget_->view()->GetContexts();
-  }
+  const QVector<Node*> &GetContexts() const { return node_widget_->view()->GetContexts(); }
+
+  bool IsGroupOverlay() const { return node_widget_->view()->IsGroupOverlay(); }
 
   void SetContexts(const QVector<Node*> &nodes)
   {
@@ -55,11 +54,6 @@ public:
     node_widget_->view()->CloseContextsBelongingToProject(project);
   }
 
-  const QVector<Node*> &GetCurrentContexts() const
-  {
-    return node_widget_->view()->GetCurrentContexts();
-  }
-
   virtual void SelectAll() override
   {
     node_widget_->view()->SelectAll();
@@ -122,7 +116,9 @@ signals:
 
   void NodesDeselected(const QVector<Node*>& nodes);
 
-  void NodeGroupOpenRequested(NodeGroup *group);
+  void NodeGroupOpened(NodeGroup *group);
+
+  void NodeGroupClosed();
 
 private:
   virtual void Retranslate() override
diff --git a/app/panel/param/param.cpp b/app/panel/param/param.cpp
index 8504a86b4..5f51b21e7 100644
--- a/app/panel/param/param.cpp
+++ b/app/panel/param/param.cpp
@@ -61,9 +61,9 @@ void ParamPanel::DeselectAll()
   static_cast<NodeParamView*>(GetTimeBasedWidget())->DeselectAll();
 }
 
-void ParamPanel::SetContexts(const QVector<Node *> &contexts)
+void ParamPanel::SetContexts(const QVector<Node *> &contexts, bool group_mode)
 {
-  static_cast<NodeParamView*>(GetTimeBasedWidget())->SetContexts(contexts);
+  static_cast<NodeParamView*>(GetTimeBasedWidget())->SetContexts(contexts, group_mode);
 }
 
 void ParamPanel::Retranslate()
diff --git a/app/panel/param/param.h b/app/panel/param/param.h
index 9f2336eb1..c45a981cf 100644
--- a/app/panel/param/param.h
+++ b/app/panel/param/param.h
@@ -43,16 +43,6 @@ public:
     return GetParamView()->GetContexts();
   }
 
-  void SetCreateCheckBoxes(NodeParamViewCheckBoxBehavior e)
-  {
-    GetParamView()->SetCreateCheckBoxes(e);
-  }
-
-  void SetIgnoreNodeFlags(bool e)
-  {
-    GetParamView()->SetIgnoreNodeFlags(e);
-  }
-
   void CloseContextsBelongingToProject(Project *p)
   {
     GetParamView()->CloseContextsBelongingToProject(p);
@@ -68,7 +58,7 @@ public slots:
 
   virtual void DeselectAll() override;
 
-  void SetContexts(const QVector<Node*> &contexts);
+  void SetContexts(const QVector<Node*> &contexts, bool group_mode);
 
 signals:
   void RequestSelectNode(const QVector<Node*>& target);
diff --git a/app/widget/nodeparamview/nodeparamview.cpp b/app/widget/nodeparamview/nodeparamview.cpp
index 48339d4a3..865ab2982 100644
--- a/app/widget/nodeparamview/nodeparamview.cpp
+++ b/app/widget/nodeparamview/nodeparamview.cpp
@@ -37,9 +37,8 @@ NodeParamView::NodeParamView(bool create_keyframe_view, QWidget *parent) :
   super(true, false, parent),
   last_scroll_val_(0),
   focused_node_(nullptr),
-  create_checkboxes_(kNoCheckBoxes),
   time_target_(nullptr),
-  ignore_flags_(false)
+  group_mode_(false)
 {
   // Create horizontal layout to place scroll area in (and keyframe editing eventually)
   QHBoxLayout* layout = new QHBoxLayout(this);
@@ -174,7 +173,7 @@ void NodeParamView::CloseContextsBelongingToProject(Project *p)
     }
   }
 
-  SetContexts(new_contexts);
+  SetContexts(new_contexts, group_mode_);
 }
 
 /*void NodeParamView::SelectNodes(const QVector<Node *> &nodes)
@@ -236,15 +235,7 @@ void NodeParamView::DeselectNodes(const QVector<Node *> &nodes)
   }
 }*/
 
-void NodeParamView::SetInputChecked(const NodeInput &input, bool e)
-{
-  input_checked_.insert(input, e);
-  foreach (NodeParamViewContext *ctx, context_items_) {
-    ctx->SetInputChecked(input, e);
-  }
-}
-
-void NodeParamView::SetContexts(const QVector<Node *> &contexts)
+void NodeParamView::SetContexts(const QVector<Node *> &contexts, bool group_mode)
 {
   //TIME_THIS_FUNCTION;
 
@@ -258,6 +249,9 @@ void NodeParamView::SetContexts(const QVector<Node *> &contexts)
   }
 
   contexts_ = contexts;
+  group_mode_ = group_mode;
+
+  Q_ASSERT((contexts_.size() == 1 && dynamic_cast<NodeGroup*>(contexts_.first())) || !group_mode_ || contexts_.isEmpty());
 
   foreach (Node *ctx, contexts_) {
     // Queued so that if any further work is done in connecting this node to the context, it'll be
@@ -285,6 +279,17 @@ void NodeParamView::SetContexts(const QVector<Node *> &contexts)
     }
   }
 
+  if (group_mode_) {
+    // Check inputs that have been passed through
+    NodeGroup *group = static_cast<NodeGroup*>(contexts_.first());
+    for (auto it=group->GetInputPassthroughs().cbegin(); it!=group->GetInputPassthroughs().cend(); it++) {
+      GroupInputPassthroughAdded(group, it->second);
+    }
+
+    connect(group, &NodeGroup::InputPassthroughAdded, this, &NodeParamView::GroupInputPassthroughAdded);
+    connect(group, &NodeGroup::InputPassthroughRemoved, this, &NodeParamView::GroupInputPassthroughRemoved);
+  }
+
   foreach (NodeParamViewContext *ctx, context_items_) {
     SortItemsInContext(ctx);
   }
@@ -386,24 +391,16 @@ void NodeParamView::QueueKeyframePositionUpdate()
 
 void NodeParamView::AddNode(Node *n, NodeParamViewContext *context)
 {
-  if ((n->GetFlags() & Node::kDontShowInParamView) && !ignore_flags_) {
+  if ((n->GetFlags() & Node::kDontShowInParamView) && !group_mode_) {
     return;
   }
 
-  NodeParamViewItem* item = new NodeParamViewItem(n, create_checkboxes_, context);
+  NodeParamViewItem* item = new NodeParamViewItem(n, group_mode_ ? kCheckBoxesOnNonConnected : kNoCheckBoxes, context);
 
   connect(item, &NodeParamViewItem::RequestSetTime, this, &NodeParamView::SetTimeAndSignal);
   connect(item, &NodeParamViewItem::RequestSelectNode, this, &NodeParamView::RequestSelectNode);
   connect(item, &NodeParamViewItem::PinToggled, this, &NodeParamView::PinNode);
-  connect(item, &NodeParamViewItem::InputCheckedChanged, this, &NodeParamView::SetInputChecked);
-
-  if (create_checkboxes_) {
-    for (auto it=input_checked_.cbegin(); it!=input_checked_.cend(); it++) {
-      if (it.key().node() == n) {
-        item->SetInputChecked(it.key(), it.value());
-      }
-    }
-  }
+  connect(item, &NodeParamViewItem::InputCheckedChanged, this, &NodeParamView::InputCheckBoxChanged);
 
   item->SetTimeTarget(GetTimeTarget());
   item->SetTimebase(timebase());
@@ -616,4 +613,35 @@ void NodeParamView::NodeAddedToContext(Node *n)
   SortItemsInContext(item);
 }
 
+void NodeParamView::InputCheckBoxChanged(const NodeInput &input, bool e)
+{
+  NodeGroup *group = static_cast<NodeGroup*>(contexts_.first());
+
+  if (e) {
+    group->AddInputPassthrough(input);
+  } else {
+    group->RemoveInputPassthrough(input);
+  }
+}
+
+void NodeParamView::GroupInputPassthroughAdded(NodeGroup *group, const NodeInput &input)
+{
+  foreach (NodeParamViewContext *pvctx, context_items_) {
+    NodeParamViewItem *item = pvctx->GetItems().value(input.node());
+    if (item) {
+      item->SetInputChecked(input, true);
+    }
+  }
+}
+
+void NodeParamView::GroupInputPassthroughRemoved(NodeGroup *group, const NodeInput &input)
+{
+  foreach (NodeParamViewContext *pvctx, context_items_) {
+    NodeParamViewItem *item = pvctx->GetItems().value(input.node());
+    if (item) {
+      item->SetInputChecked(input, false);
+    }
+  }
+}
+
 }
diff --git a/app/widget/nodeparamview/nodeparamview.h b/app/widget/nodeparamview/nodeparamview.h
index 6a00883fc..ceceb58a5 100644
--- a/app/widget/nodeparamview/nodeparamview.h
+++ b/app/widget/nodeparamview/nodeparamview.h
@@ -45,16 +45,6 @@ public:
 
   virtual ~NodeParamView() override;
 
-  void SetCreateCheckBoxes(NodeParamViewCheckBoxBehavior e)
-  {
-    create_checkboxes_ = e;
-  }
-
-  bool IsInputChecked(const NodeInput &input) const
-  {
-    return input_checked_.value(input);
-  }
-
   void CloseContextsBelongingToProject(Project *p);
 
   Node* GetTimeTarget() const;
@@ -71,11 +61,6 @@ public:
     keyframe_view_->DeselectAll();
   }
 
-  void SetIgnoreNodeFlags(bool e)
-  {
-    ignore_flags_ = e;
-  }
-
   void SelectNodes(const QVector<Node*> &nodes);
   void DeselectNodes(const QVector<Node*> &nodes);
 
@@ -85,9 +70,7 @@ public:
   }
 
 public slots:
-  void SetInputChecked(const NodeInput &input, bool e);
-
-  void SetContexts(const QVector<Node*> &contexts);
+  void SetContexts(const QVector<Node*> &contexts, bool group_mode);
 
   void UpdateElementY();
 
@@ -136,16 +119,12 @@ private:
 
   NodeParamViewItem* focused_node_;
 
-  NodeParamViewCheckBoxBehavior create_checkboxes_;
-
   Node *time_target_;
 
-  QHash<NodeInput, bool> input_checked_;
-
-  bool ignore_flags_;
-
   QVector<Node*> contexts_;
 
+  bool group_mode_;
+
 private slots:
   void UpdateGlobalScrollBar();
 
@@ -157,6 +136,12 @@ private slots:
 
   void NodeAddedToContext(Node *n);
 
+  void InputCheckBoxChanged(const NodeInput &input, bool e);
+
+  void GroupInputPassthroughAdded(olive::NodeGroup *group, const olive::NodeInput &input);
+
+  void GroupInputPassthroughRemoved(olive::NodeGroup *group, const olive::NodeInput &input);
+
 };
 
 }
diff --git a/app/widget/nodeview/nodeview.cpp b/app/widget/nodeview/nodeview.cpp
index 2c1ffb3e5..044fd7a15 100644
--- a/app/widget/nodeview/nodeview.cpp
+++ b/app/widget/nodeview/nodeview.cpp
@@ -23,6 +23,7 @@
 #include <QInputDialog>
 #include <QMessageBox>
 #include <QMouseEvent>
+#include <QPushButton>
 #include <QScrollBar>
 #include <QToolTip>
 
@@ -32,6 +33,7 @@
 #include "node/factory.h"
 #include "node/group/group.h"
 #include "node/traverser.h"
+#include "ui/icons/icons.h"
 #include "widget/menu/menushared.h"
 #include "widget/timebased/timebasedview.h"
 
@@ -47,6 +49,7 @@ NodeView::NodeView(QWidget *parent) :
   create_edge_(nullptr),
   create_edge_output_item_(nullptr),
   create_edge_input_item_(nullptr),
+  overlay_view_(nullptr),
   scale_(1.0)
 {
   setScene(&scene_);
@@ -83,6 +86,10 @@ NodeView::~NodeView()
 
 void NodeView::SetContexts(const QVector<Node*> &nodes)
 {
+  if (overlay_view_) {
+    CloseOverlay();
+  }
+
   // Remove contexts that are no longer in the list
   foreach (Node *n, contexts_) {
     if (!nodes.contains(n)) {
@@ -350,6 +357,8 @@ void NodeView::keyPressEvent(QKeyEvent *event)
       break;
     }
 
+    emit EscPressed();
+
     /* fall through */
   default:
     super::keyPressEvent(event);
@@ -657,6 +666,10 @@ void NodeView::resizeEvent(QResizeEvent *event)
   super::resizeEvent(event);
 
   RepositionMiniMap();
+
+  if (overlay_view_) {
+    ResizeOverlay();
+  }
 }
 
 void NodeView::UpdateSelectionCache()
@@ -1284,7 +1297,37 @@ void NodeView::ShowNodeProperties()
   Node *first_node = selected_nodes_.first();
 
   if (NodeGroup *group = dynamic_cast<NodeGroup*>(first_node)) {
-    emit NodeGroupOpenRequested(group);
+    if (!overlay_view_) {
+      overlay_view_ = new NodeView(this);
+      overlay_view_->show();
+
+      QPushButton *overlay_close_btn = new QPushButton(overlay_view_);
+      overlay_close_btn->setIcon(icon::Error);
+      int offset = overlay_close_btn->sizeHint().width()/2;
+      overlay_close_btn->move(offset, offset);
+      overlay_close_btn->show();
+
+      connect(overlay_view_, &NodeView::NodesSelected, this, &NodeView::NodesSelected);
+      connect(overlay_view_, &NodeView::NodesDeselected, this, &NodeView::NodesDeselected);
+      connect(overlay_view_, &NodeView::NodeGroupOpened, this, &NodeView::NodeGroupOpened);
+      connect(overlay_view_, &NodeView::NodeGroupClosed, this, &NodeView::NodeGroupClosed);
+      connect(overlay_view_, &NodeView::EscPressed, this, &NodeView::CloseOverlay);
+      connect(overlay_close_btn, &QPushButton::clicked, this, &NodeView::CloseOverlay);
+
+      const QColor &bgcol = overlay_view_->palette().base().color();
+      overlay_view_->setStyleSheet(QStringLiteral("QGraphicsView { background: rgba(%1, %2, %3, 0.8); }").arg(QString::number(bgcol.red()), QString::number(bgcol.green()), QString::number(bgcol.blue())));
+
+      overlay_close_btn->setStyleSheet(QStringLiteral("background: transparent; border: none;"));
+    }
+    overlay_view_->SetContexts({group});
+    ResizeOverlay();
+    QMetaObject::invokeMethod(overlay_view_, &NodeView::CenterOnItemsBoundingRect, Qt::QueuedConnection);
+    overlay_view_->setFocus();
+
+    emit NodesDeselected(selected_nodes_);
+    overlay_view_->SelectAll();
+
+    emit NodeGroupOpened(group);
   } else {
     LabelSelectedNodes();
   }
@@ -1320,6 +1363,17 @@ void NodeView::ItemAboutToBeDeleted(NodeViewItem *item)
   }
 }
 
+void NodeView::CloseOverlay()
+{
+  if (overlay_view_->overlay_view_) {
+    overlay_view_->CloseOverlay();
+  }
+
+  overlay_view_->deleteLater();
+  overlay_view_ = nullptr;
+  emit NodeGroupClosed();
+}
+
 void NodeView::AddContext(Node *n)
 {
   NodeViewContext *ctx = scene_.AddContext(n);
@@ -1477,6 +1531,11 @@ void NodeView::PostPaste(const QVector<Node *> &new_nodes, const Node::PositionM
   SetAttachedItems(new_attached);
 }
 
+void NodeView::ResizeOverlay()
+{
+  overlay_view_->resize(this->size());
+}
+
 void NodeView::SetAttachedItems(const QVector<AttachedItem> &items)
 {
   // Detach anything currently attached
diff --git a/app/widget/nodeview/nodeview.h b/app/widget/nodeview/nodeview.h
index 79964a998..887e52cb7 100644
--- a/app/widget/nodeview/nodeview.h
+++ b/app/widget/nodeview/nodeview.h
@@ -54,7 +54,16 @@ public:
 
   const QVector<Node*> &GetContexts() const
   {
-    return contexts_;
+    if (overlay_view_) {
+      return overlay_view_->GetContexts();
+    } else {
+      return contexts_;
+    }
+  }
+
+  bool IsGroupOverlay() const
+  {
+    return overlay_view_;
   }
 
   void CloseContextsBelongingToProject(Project *project);
@@ -109,7 +118,10 @@ signals:
 
   void NodesDeselected(const QVector<Node*>& nodes);
 
-  void NodeGroupOpenRequested(NodeGroup *group);
+  void NodeGroupOpened(NodeGroup *group);
+  void NodeGroupClosed();
+
+  void EscPressed();
 
 protected:
   virtual void keyPressEvent(QKeyEvent *event) override;
@@ -169,6 +181,8 @@ private:
 
   void PostPaste(const QVector<Node*> &new_nodes, const Node::PositionMap &map);
 
+  void ResizeOverlay();
+
   NodeViewMiniMap *minimap_;
 
   struct AttachedItem {
@@ -202,6 +216,8 @@ private:
 
   QMap<NodeViewItem*, QPointF> dragging_items_;
 
+  NodeView* overlay_view_;
+
   double scale_;
 
   static const double kMinimumScale;
@@ -252,6 +268,8 @@ private slots:
 
   void ItemAboutToBeDeleted(NodeViewItem *item);
 
+  void CloseOverlay();
+
 };
 
 }
diff --git a/app/window/mainwindow/mainwindow.cpp b/app/window/mainwindow/mainwindow.cpp
index a05d9e52e..e8d5b700b 100644
--- a/app/window/mainwindow/mainwindow.cpp
+++ b/app/window/mainwindow/mainwindow.cpp
@@ -94,7 +94,8 @@ MainWindow::MainWindow(QWidget *parent) :
   // Make node-related connections
   connect(node_panel_, &NodePanel::NodesSelected, param_panel_, &ParamPanel::SelectNodes);
   connect(node_panel_, &NodePanel::NodesDeselected, param_panel_, &ParamPanel::DeselectNodes);
-  connect(node_panel_, &NodePanel::NodeGroupOpenRequested, this, &MainWindow::NodeGroupRequested);
+  connect(node_panel_, &NodePanel::NodeGroupOpened, this, &MainWindow::NodePanelGroupOpenedOrClosed);
+  connect(node_panel_, &NodePanel::NodeGroupClosed, this, &MainWindow::NodePanelGroupOpenedOrClosed);
   connect(param_panel_, &ParamPanel::RequestSelectNode, this, [this](const QVector<Node*>& target){
     node_panel_->Select(target, true);
   });
@@ -455,15 +456,10 @@ void MainWindow::StatusBarDoubleClicked()
   task_man_panel_->raise();
 }
 
-void MainWindow::NodeGroupRequested(NodeGroup *group)
+void MainWindow::NodePanelGroupOpenedOrClosed()
 {
-  NodePanel *panel = new NodePanel(this);
-  panel->setFloating(true);
-  panel->setVisible(true);
-  panel->SetContexts({group});
-  panel->SetSignalInsteadOfClose(true);
-  addDockWidget(Qt::LeftDockWidgetArea, panel);
-  connect(panel, &NodePanel::CloseRequested, panel, &NodePanel::deleteLater);
+  NodePanel *p = static_cast<NodePanel*>(sender());
+  param_panel_->SetContexts(p->GetContexts(), p->IsGroupOverlay());
 }
 
 void MainWindow::TimelinePanelSelectionChanged(const QVector<Block *> &blocks)
@@ -732,7 +728,7 @@ void MainWindow::UpdateNodePanelContextFromTimelinePanel(TimelinePanel *panel)
   }
 
   node_panel_->SetContexts(context);
-  param_panel_->SetContexts(context);
+  param_panel_->SetContexts(context, false);
 }
 
 void MainWindow::FocusedPanelChanged(PanelWidget *panel)
@@ -747,10 +743,7 @@ void MainWindow::FocusedPanelChanged(PanelWidget *panel)
     const QVector<Node*> &new_ctxs = node_panel->GetContexts();
 
     if (new_ctxs != param_panel_->GetContexts()) {
-      bool is_default_node_panel = node_panel == node_panel_;
-      param_panel_->SetIgnoreNodeFlags(!is_default_node_panel);
-      param_panel_->SetCreateCheckBoxes(is_default_node_panel ? kNoCheckBoxes : kCheckBoxesOnNonConnected);
-      param_panel_->SetContexts(node_panel->GetContexts());
+      param_panel_->SetContexts(new_ctxs, node_panel->IsGroupOverlay());
     }
   } else if (TimelinePanel* timeline = dynamic_cast<TimelinePanel*>(panel)) {
     // Signal timeline focus
diff --git a/app/window/mainwindow/mainwindow.h b/app/window/mainwindow/mainwindow.h
index 1bcd5f10c..e027e08e6 100644
--- a/app/window/mainwindow/mainwindow.h
+++ b/app/window/mainwindow/mainwindow.h
@@ -185,7 +185,7 @@ private slots:
 
   void StatusBarDoubleClicked();
 
-  void NodeGroupRequested(NodeGroup *group);
+  void NodePanelGroupOpenedOrClosed();
 
 #ifdef Q_OS_LINUX
   void ShowNouveauWarning();