Its an animated educational children's television series.
Thomas & Friends: All Engines Go is a reboot of the Thomas & Friends franchise which began airing in the US on Cartoon Network on 13th September 2021 and in the UK on Milkshake on 8th November 2021. The series was also released via Netflix in the US on 29th October 2021.
It introduces "an entirely new approach to Thomas & Friends content," with a new animation style and story structure. Unlike the majority of previous Thomas the Tank Engine media, All Engines Go was developed in North America rather than Europe.