diff --git a/manimlib/extract_scene.py b/manimlib/extract_scene.py
index 0cf78363..ed486152 100644
--- a/manimlib/extract_scene.py
+++ b/manimlib/extract_scene.py
@@ -64,6 +64,8 @@ def is_child_scene(obj, module):
         return False
     if obj == Scene:
         return False
+    if not obj.__module__.startswith(module.__name__):
+        return False
     return True
 
 
@@ -118,13 +120,16 @@ def get_scenes_to_render(scene_classes, config):
 
 
 def get_scene_classes_from_module(module):
-    return [
-        member[1]
-        for member in inspect.getmembers(
-            module,
-            lambda x: is_child_scene(x, module)
-        )
-    ]
+    if hasattr(module, "SCENES_IN_ORDER"):
+        return module.SCENES_IN_ORDER
+    else:
+        return [
+            member[1]
+            for member in inspect.getmembers(
+                module,
+                lambda x: is_child_scene(x, module)
+            )
+        ]
 
 
 def main(config):