diff --git a/colorbleed/plugins/global/publish/submit_publish_job.py b/colorbleed/plugins/global/publish/submit_publish_job.py
index c13f7e3dce..34a09c9b81 100644
--- a/colorbleed/plugins/global/publish/submit_publish_job.py
+++ b/colorbleed/plugins/global/publish/submit_publish_job.py
@@ -1,9 +1,10 @@
 import os
 import json
+import pprint
 import re
 
-from avalon import api
-from avalon.vendor import requests
+from avalon import api, io
+from avalon.vendor import requests, clique
 
 import pyblish.api
 
@@ -23,6 +24,73 @@ def _get_script():
     return module_path
 
 
+# Logic to retrieve latest files concerning extendFrames
+def get_latest_version(asset_name, subset_name, family):
+    # Get asset
+    asset_name = io.find_one({"type": "asset",
+                              "name": asset_name},
+                             projection={"name": True})
+
+    subset = io.find_one({"type": "subset",
+                          "name": subset_name,
+                          "parent": asset_name["_id"]},
+                         projection={"_id": True, "name": True})
+
+    # Check if subsets actually exists (pre-run check)
+    assert subset, "No subsets found, please publish with `extendFrames` off"
+
+    # Get version
+    version_projection = {"name": True,
+                          "data.startFrame": True,
+                          "data.endFrame": True,
+                          "parent": True}
+
+    version = io.find_one({"type": "version",
+                           "parent": subset["_id"],
+                           "data.families": family},
+                          projection=version_projection,
+                          sort=[("name", -1)])
+
+    assert version, "No version found, this is a bug"
+
+    return version
+
+
+def get_resources(version, extension=None):
+    """
+    Get the files from the specific version
+    """
+    query = {"type": "representation", "parent": version["_id"]}
+    if extension:
+        query["name"] = extension
+
+    representation = io.find_one(query)
+    assert representation, "This is a bug"
+
+    directory = api.get_representation_path(representation)
+    print("Source: ", directory)
+    resources = sorted([os.path.normpath(os.path.join(directory, fname))
+                        for fname in os.listdir(directory)])
+
+    return resources
+
+
+def get_resource_files(resources, frame_range, override=True):
+
+    res_collections, _ = clique.assemble(resources)
+    assert len(res_collections) == 1, "Multiple collections found"
+    res_collection = res_collections[0]
+
+    # Remove any frames
+    if override:
+        for frame in frame_range:
+            if frame not in res_collection.indexes:
+                continue
+            res_collection.indexes.remove(frame)
+
+    return list(res_collection)
+
+
 class SubmitDependentImageSequenceJobDeadline(pyblish.api.InstancePlugin):
     """Submit image sequence publish jobs to Deadline.
 
@@ -69,8 +137,9 @@ class SubmitDependentImageSequenceJobDeadline(pyblish.api.InstancePlugin):
             raise RuntimeError("Can't continue without valid deadline "
                                "submission prior to this plug-in.")
 
-        subset = instance.data["subset"]
-        state = instance.data.get("publishJobState", "Suspended")
+        data = instance.data.copy()
+        subset = data["subset"]
+        state = data.get("publishJobState", "Suspended")
         job_name = "{batch} - {subset} [publish image sequence]".format(
             batch=job["Props"]["Name"],
             subset=subset
@@ -80,6 +149,7 @@ class SubmitDependentImageSequenceJobDeadline(pyblish.api.InstancePlugin):
         context = instance.context
         start = instance.data.get("startFrame", context.data["startFrame"])
         end = instance.data.get("endFrame", context.data["endFrame"])
+        resources = []
 
         # Add in regex for sequence filename
         # This assumes the output files start with subset name and ends with
@@ -93,8 +163,7 @@ class SubmitDependentImageSequenceJobDeadline(pyblish.api.InstancePlugin):
                                               ext=ext)
 
         # Write metadata for publish job
-        data = instance.data.copy()
-        data.pop("deadlineSubmissionJob")
+        render_job = data.pop("deadlineSubmissionJob")
         metadata = {
             "regex": regex,
             "startFrame": start,
@@ -114,6 +183,78 @@ class SubmitDependentImageSequenceJobDeadline(pyblish.api.InstancePlugin):
         if not os.path.isdir(output_dir):
             os.makedirs(output_dir)
 
+        if data.get("extendFrames", False):
+
+            family = "colorbleed.imagesequence"
+            override = data["overrideExistingFrame"]
+
+            # override = data.get("overrideExistingFrame", False)
+            out_file = render_job.get("OutFile")
+            if not out_file:
+                raise RuntimeError("OutFile not found in render job!")
+
+            extension = os.path.splitext(out_file[0])[1]
+            _ext = extension[1:]
+
+            # Frame comparison
+            prev_start = None
+            prev_end = None
+            resource_range = range(int(start), int(end)+1)
+
+            # Gather all the subset files (one subset per render pass!)
+            subset_names = [data["subset"]]
+            subset_names.extend(data.get("renderPasses", []))
+
+            for subset_name in subset_names:
+                version = get_latest_version(asset_name=data["asset"],
+                                             subset_name=subset_name,
+                                             family=family)
+
+                # Set prev start / end frames for comparison
+                if not prev_start and not prev_end:
+                    prev_start = version["data"]["startFrame"]
+                    prev_end = version["data"]["endFrame"]
+
+                subset_resources = get_resources(version, _ext)
+                resource_files = get_resource_files(subset_resources,
+                                                    resource_range,
+                                                    override)
+
+                resources.extend(resource_files)
+
+            updated_start = min(start, prev_start)
+            updated_end = max(end, prev_end)
+
+            # Update metadata and instance start / end frame
+            self.log.info("Updating start / end frame : "
+                          "{} - {}".format(updated_start, updated_end))
+
+            # TODO : Improve logic to get new frame range for the
+            # publish job (publish_filesequence.py)
+            # The current approach is not following Pyblish logic which is based
+            # on Collect / Validate / Extract.
+
+            # ---- Collect Plugins  ---
+            # Collect Extend Frames - Only run if extendFrames is toggled
+            # # # Store in instance:
+            # # # Previous rendered files per subset based on frames
+            # # # --> Add to instance.data[resources]
+            # # # Update publish frame range
+
+            # ---- Validate Plugins ---
+            # Validate Extend Frames
+            # # # Check if instance has the requirements to extend frames
+            # There might have been some things which can be added to the list
+            # Please do so when fixing this.
+
+            # Start frame
+            metadata["startFrame"] = updated_start
+            metadata["metadata"]["instance"]["startFrame"] = updated_start
+
+            # End frame
+            metadata["endFrame"] = updated_end
+            metadata["metadata"]["instance"]["endFrame"] = updated_end
+
         metadata_filename = "{}_metadata.json".format(subset)
         metadata_path = os.path.join(output_dir, metadata_filename)
         with open(metadata_path, "w") as f:
@@ -159,3 +300,17 @@ class SubmitDependentImageSequenceJobDeadline(pyblish.api.InstancePlugin):
         response = requests.post(url, json=payload)
         if not response.ok:
             raise Exception(response.text)
+
+        # Copy files from previous render if extendFrame is True
+        if data.get("extendFrames", False):
+
+            self.log.info("Preparing to copy ..")
+            import shutil
+
+            dest_path = data["outputDir"]
+            for source in resources:
+                src_file = os.path.basename(source)
+                dest = os.path.join(dest_path, src_file)
+                shutil.copy(source, dest)
+
+            self.log.info("Finished copying %i files" % len(resources))
diff --git a/colorbleed/plugins/maya/create/colorbleed_renderglobals.py b/colorbleed/plugins/maya/create/colorbleed_renderglobals.py
index 3ca857a11c..97a12deba4 100644
--- a/colorbleed/plugins/maya/create/colorbleed_renderglobals.py
+++ b/colorbleed/plugins/maya/create/colorbleed_renderglobals.py
@@ -25,6 +25,8 @@ class CreateRenderGlobals(avalon.maya.Creator):
         data = OrderedDict(**self.data)
 
         data["suspendPublishJob"] = False
+        data["extendFrames"] = False
+        data["overrideExistingFrame"] = True
         data["includeDefaultRenderLayer"] = False
         data["useLegacyRenderLayers"] = True
         data["priority"] = 50
diff --git a/colorbleed/plugins/maya/publish/collect_render_layer_aovs.py b/colorbleed/plugins/maya/publish/collect_render_layer_aovs.py
new file mode 100644
index 0000000000..19ab891004
--- /dev/null
+++ b/colorbleed/plugins/maya/publish/collect_render_layer_aovs.py
@@ -0,0 +1,95 @@
+from maya import cmds
+
+import pyblish.api
+
+import colorbleed.maya.lib as lib
+
+
+class CollectRenderLayerAOVS(pyblish.api.InstancePlugin):
+    """Validate all render layer's AOVs / Render Elements are registered in
+    the database
+
+    This validator is important to be able to Extend Frames
+
+    Technical information:
+    Each renderer uses different logic to work with render passes.
+    VRay - RenderElement
+        Simple node connection to the actual renderLayer node
+
+    Arnold - AOV:
+        Uses its own render settings node and connects an aiOAV to it
+
+    Redshift - AOV:
+        Uses its own render settings node and RedshiftAOV node. It is not
+        connected but all AOVs are enabled for all render layers by default.
+
+    """
+
+    order = pyblish.api.CollectorOrder + 0.01
+    label = "Render Elements / AOVs"
+    hosts = ["maya"]
+    families = ["colorbleed.renderlayer"]
+
+    def process(self, instance):
+
+        # Check if Extend Frames is toggled
+        if not instance.data("extendFrames", False):
+            return
+
+        # Get renderer
+        renderer = cmds.getAttr("defaultRenderGlobals.currentRenderer")
+
+        self.log.info("Renderer found: {}".format(renderer))
+
+        rp_node_types = {"vray": "VRayRenderElement",
+                         "arnold": "aiAOV",
+                         "redshift": "RedshiftAOV"}
+
+        if renderer not in rp_node_types.keys():
+            self.log.error("Unsupported renderer found: '{}'".format(renderer))
+            return
+
+        result = []
+
+        # Collect all AOVs / Render Elements
+        with lib.renderlayer(instance.name):
+
+            node_type = rp_node_types[renderer]
+            render_elements = cmds.ls(type=node_type)
+
+            # Check if AOVs / Render Elements are enabled
+            for element in render_elements:
+                enabled = cmds.getAttr("{}.enabled".format(element))
+                if not enabled:
+                    continue
+
+                pass_name = self.get_pass_name(renderer, element)
+                render_pass = "%s.%s" % (instance.name, pass_name)
+
+                result.append(render_pass)
+
+        self.log.info("Found {} render elements / AOVs for "
+                      "'{}'".format(len(result), instance.name))
+
+        instance.data["renderPasses"] = result
+
+    def get_pass_name(self, renderer, node):
+
+        if renderer == "vray":
+            vray_node_attr = next(attr for attr in cmds.listAttr(node)
+                                  if attr.startswith("vray_name"))
+
+            pass_type = vray_node_attr.rsplit("_", 1)[-1]
+            if pass_type == "extratex":
+                vray_node_attr = "vray_explicit_name_extratex"
+
+            # Node type is in the attribute name but we need to check if value
+            # of the attribute as it can be changed
+            pass_name = cmds.getAttr("{}.{}".format(node, vray_node_attr))
+
+        elif renderer in ["arnold", "redshift"]:
+            pass_name = cmds.getAttr("{}.name".format(node))
+        else:
+            raise RuntimeError("Unsupported renderer: '{}'".format(renderer))
+
+        return pass_name
\ No newline at end of file
diff --git a/colorbleed/plugins/maya/publish/collect_renderlayers.py b/colorbleed/plugins/maya/publish/collect_renderlayers.py
index f1495a0b89..752d461d08 100644
--- a/colorbleed/plugins/maya/publish/collect_renderlayers.py
+++ b/colorbleed/plugins/maya/publish/collect_renderlayers.py
@@ -22,8 +22,8 @@ class CollectMayaRenderlayers(pyblish.api.ContextPlugin):
         try:
             render_globals = cmds.ls("renderglobalsDefault")[0]
         except IndexError:
-            self.log.info("Cannot collect renderlayers without "
-                          "renderGlobals node")
+            self.log.error("Cannot collect renderlayers without "
+                           "renderGlobals node")
             return
 
         # Get start and end frame
@@ -135,4 +135,14 @@ class CollectMayaRenderlayers(pyblish.api.ContextPlugin):
         state = "Suspended" if attributes["suspendPublishJob"] else "Active"
         options["publishJobState"] = state
 
+        # Override frames should be False if extendFrames is False. This is
+        # to ensure it doesn't go off doing crazy unpredictable things
+        override_frames = False
+        extend_frames = attributes.get("extendFrames", False)
+        if extend_frames:
+            override_frames = attributes.get("overrideExistingFrame", False)
+
+        options["extendFrames"] = extend_frames
+        options["overrideExistingFrame"] = override_frames
+
         return options
diff --git a/colorbleed/plugins/maya/publish/validate_renderlayer_aovs.py b/colorbleed/plugins/maya/publish/validate_renderlayer_aovs.py
new file mode 100644
index 0000000000..387f4b4881
--- /dev/null
+++ b/colorbleed/plugins/maya/publish/validate_renderlayer_aovs.py
@@ -0,0 +1,56 @@
+import pyblish.api
+
+from avalon import io
+import colorbleed.api
+
+
+class ValidateRenderLayerAOVs(pyblish.api.InstancePlugin):
+    """Validate created AOVs / RenderElement is registered in the database
+
+    Each render element is registered as a subset which is formatted based on
+    the render layer and the render element, example:
+
+        <render layer>.<render element>
+
+    This translates to something like this:
+
+        CHAR.diffuse
+
+    This check is needed to ensure the render output is still complete
+
+    """
+
+    order = pyblish.api.ValidatorOrder + 0.1
+    label = "Render Passes / AOVs Are Registered"
+    hosts = ["maya"]
+    families = ["colorbleed.renderlayer"]
+    actions = [colorbleed.api.SelectInvalidAction]
+
+    def process(self, instance):
+        invalid = self.get_invalid(instance)
+        if invalid:
+            raise RuntimeError("Found unregistered subsets: {}".format(invalid))
+
+    def get_invalid(self, instance):
+
+        invalid = []
+
+        asset_name = instance.data["asset"]
+        render_passses = instance.data.get("renderPasses", [])
+        for render_pass in render_passses:
+            is_valid = self.validate_subset_registered(asset_name, render_pass)
+            if not is_valid:
+                invalid.append(render_pass)
+
+        return invalid
+
+    def validate_subset_registered(self, asset_name, subset_name):
+        """Check if subset is registered in the database under the asset"""
+
+        asset = io.find_one({"type": "asset", "name": asset_name})
+        is_valid = io.find_one({"type": "subset",
+                                "name": subset_name,
+                                "parent": asset["_id"]})
+
+        return is_valid
+