Tib & Tumtum Season 1 Episode 4 Episode 4 ( Air Date 2019-09-22 ) Genre Comedy, Action & Adventure, Animation, Kids, Family category. Overview "Tib, a little boy living in prehistoric times, has a rather unusual friend: Tatoum, a tyrannosaurus! Unfortunately, not everyone in the tribe is happy with their close friendship: living with a dinosaur isn't easy.".