diff --git a/multi_user/bl_types/bl_scene.py b/multi_user/bl_types/bl_scene.py
index 0c485f4..02f0c89 100644
--- a/multi_user/bl_types/bl_scene.py
+++ b/multi_user/bl_types/bl_scene.py
@@ -384,6 +384,12 @@ class BlScene(BlDatablock):
                 ]
                 data['view_settings']['curve_mapping']['curves'] = scene_dumper.dump(
                     instance.view_settings.curve_mapping.curves)
+
+        if instance.sequence_editor:
+            data['has_sequence'] = True
+        else:
+            data['has_sequence'] = False
+
         return data
 
     def _resolve_deps_implementation(self):
diff --git a/multi_user/bl_types/bl_sequencer.py b/multi_user/bl_types/bl_sequencer.py
index 2e3ef1a..8862a56 100644
--- a/multi_user/bl_types/bl_sequencer.py
+++ b/multi_user/bl_types/bl_sequencer.py
@@ -26,6 +26,12 @@ from .dump_anything import Loader, Dumper
 from .bl_datablock import BlDatablock, get_datablock_from_uuid
 
 def dump_sequence(sequence: bpy.types.Sequence) -> dict:
+    """ Dump a sequence to a dict
+
+        :arg sequence: sequence to dump
+        :type sequence: bpy.types.Sequence
+        :return dict:
+    """
     dumper = Dumper()
     dumper.exclude_filter = [
         'lock',
@@ -36,18 +42,30 @@ def dump_sequence(sequence: bpy.types.Sequence) -> dict:
     ]
     dumper.depth = 1
     data = dumper.dump(sequence)
-    input_count = getattr(sequence, 'input_count', None)
 
+
+    # TODO: Support multiple images
     if sequence.type == 'IMAGE':
         data['filename'] = sequence.elements[0].filename
+
+    # Effect strip inputs
+    input_count = getattr(sequence, 'input_count', None)
     if input_count:
         for n in range(input_count):
             input_name = f"input_{n+1}"
             data[input_name] = getattr(sequence, input_name).name
+
     return data
 
 
 def load_sequence(sequence_data: dict, sequence_editor: bpy.types.SequenceEditor):
+    """ Load sequence from dumped data
+
+        :arg sequence_data: sequence to dump
+        :type sequence_data:dict
+        :arg sequence_editor: root sequence editor
+        :type sequence_editor: bpy.types.SequenceEditor
+    """
     strip_type = sequence_data.get('type')
     strip_name = sequence_data.get('name')
     strip_channel = sequence_data.get('channel')
diff --git a/multi_user/utils.py b/multi_user/utils.py
index a8317c3..57ed532 100644
--- a/multi_user/utils.py
+++ b/multi_user/utils.py
@@ -99,7 +99,9 @@ def clean_scene():
                 type_collection.remove(item)
         except:
             continue
-
+    
+    # Clear sequencer
+    bpy.context.scene.sequence_editor_clear()
 
 def get_selected_objects(scene, active_view_layer):
     return [obj.uuid for obj in scene.objects if obj.select_get(view_layer=active_view_layer)]