diff --git a/ythdd_inv_tl.py b/ythdd_inv_tl.py
index 285e55d..6c10ccc 100644
--- a/ythdd_inv_tl.py
+++ b/ythdd_inv_tl.py
@@ -454,11 +454,15 @@ def videos(data):
 	author             = safeTraverse(video_details, ['author'], default="Unknown Author")
 	ucid               = safeTraverse(video_details, ['channelId'], default="UNKNOWNCHANNELID")
 	subs               = ydata['channel_follower_count']
-	author_thumbnail   = ythdd_extractor.generateChannelAvatarsFromUrl(safeTraverse(video_secondary_renderer, ['owner', 'videoOwnerRenderer', 'thumbnail', 'thumbnails', 0, 'url'], default=DEFAULT_AVATAR))
-
-	# so far it seems to be impossible to tell if a channel is verified or not, 
-	# that is - without making another request
+	author_thumbnail   = safeTraverse(video_secondary_renderer, ['owner', 'videoOwnerRenderer', 'thumbnail', 'thumbnails', 0, 'url'])
 	author_verified    = ythdd_extractor.isVerified(safeTraverse(video_secondary_renderer, ['owner', 'videoOwnerRenderer', 'badges', 0], default=[]))
+	if author_thumbnail is None:
+		# there might be multiple authors (on a collaborative video)
+		# if so, then try to extract first channel's (uploader's) avatar
+		livm = safeTraverse(video_secondary_renderer, ["owner", "videoOwnerRenderer", "attributedTitle", "commandRuns", 0, "onTap", "innertubeCommand", "showDialogCommand", "panelLoadingStrategy", "inlineContent", "dialogViewModel", "customContent", "listViewModel", "listItems"], default=[])
+		author_thumbnail = safeTraverse(livm, [0, "listItemViewModel", "leadingAccessory", "avatarViewModel", "image", "sources", 0, "url"], default=DEFAULT_AVATAR)
+		author_verified  = author_verified or safeTraverse(livm, [0, "listItemViewModel", "title", "attachmentRuns", 0, "element", "type", "imageType", "image", "sources", 0, "clientResource", "imageName"]) in ("AUDIO_BADGE", "CHECK_CIRCLE_FILLED")
+	author_thumbnail = ythdd_extractor.generateChannelAvatarsFromUrl(author_thumbnail)
 
 	format_streams     = []
 	# adaptive_formats, format_streams = rebuildFormats(adaptive_formats)
diff --git a/ythdd_struct_parser.py b/ythdd_struct_parser.py
index 692fc75..8a5f1e8 100644
--- a/ythdd_struct_parser.py
+++ b/ythdd_struct_parser.py
@@ -346,7 +346,7 @@ def parseRenderers(entry: dict, context: dict = {}) -> dict:
 
 			video_id       = safeTraverse(entry, ["playlistVideoRenderer", "videoId"], default="UnknownVideoId")
 			title          = safeTraverse(entry, ["playlistVideoRenderer", "title", "runs", 0, "text"], default="Unknown video title")
-			author_ucid    = safeTraverse(entry, ["playlistVideoRenderer", "shortBylineText", "runs", 0, "navigationEndpoint", "browseEndpoint", "browseId"], default="UNKNOWNCHANNELID")
+			author_ucid    = safeTraverse(entry, ["playlistVideoRenderer", "shortBylineText", "runs", 0, "navigationEndpoint", "browseEndpoint", "browseId"])
 			author_name    = safeTraverse(entry, ["playlistVideoRenderer", "shortBylineText", "runs", 0, "text"], default="Unknown author")
 			video_index    = int(safeTraverse(entry, ["playlistVideoRenderer", "index", "simpleText"], default="1")) - 1
 			length         = parseLengthFromTimeBadge(safeTraverse(entry, ["playlistVideoRenderer", "lengthText", "simpleText"], default="0:0"))
@@ -357,6 +357,20 @@ def parseRenderers(entry: dict, context: dict = {}) -> dict:
 			if not published_date:
 				published_date = "now"
 
+			if author_ucid is None:
+				# likely a collaborative video, let's try
+				# to fetch the uploader's ucid with that in mind
+				livm = safeTraverse(entry, ["playlistVideoRenderer", "shortBylineText", "runs", 0, "navigationEndpoint", "showDialogCommand", "panelLoadingStrategy", "inlineContent", "dialogViewModel", "customContent", "listViewModel", "listItems"], default=[])
+				# name extraction logic the same as in videoRenderer
+				all_authors = []
+				for collaborative_author in livm:
+					collaborative_author_name = safeTraverse(collaborative_author, ["listItemViewModel", "title", "content"])
+					if collaborative_author_name is not None:
+						all_authors.append(collaborative_author_name)
+				if all_authors != []:
+					author_name = ", ".join(all_authors)
+				author_ucid = safeTraverse(livm, [0, "listItemViewModel", "title", "commandRuns", 0, "onTap", "innertubeCommand", "browseEndpoint", "browseId"], default="UNKNOWNCHANNELID")
+
 			return {
 				"type": "video",
 				"title": title,