Captain Underpants Music Video is the 3rd KC Comedy video, and the most popular. It was uploaded on Jan 16, 2015, and currently has over 1,200 views. The video, (Just like their first 2 videos) consists of Kieran And Chase lip-syncing to a Captain Underpants Song.
The video was recorded 2 days after their first 2 videos.
It wasn't uploaded until 3 months later.
It's the most popular KC Comedy video so far.