Check out some of these fun Playlists by TheEngineeringFamily
The Assistant, Batboy Ryan, and Officer Smalls has lots of fun adventures! https://www.youtube.com/playlist?list=PLoLQ9unpi4OEDDhQuyiA7hvooOrHNJ2SA
Adventures with the Assistant! https://www.youtube.com/playlist?list=PLoLQ9unpi4OGx0whot-I7zKFkiTQMwySD
The Adventures of the Assistant and Wiggles! This fun animated adventure features the Assistant using science to solve mysteries! https://www.youtube.com/playlist?list=PLoLQ9unpi4OHbJtfVcfgDIoyZw75FHF-E