Infinity Train: Book 4 Trailer Adds a Pair of Confused Mystery Riders

The critically acclaimed animted series Infinity Train is returning for its fourth season, and this new trailer reveals that the mysterious never-ending railroad of altered realities and strange impossible worlds has picked up a pair of new riders, curiously both with the same number. These aspiring musicians deal with their interpersonal problems stemming from their long-term friendship while trying to find a way back to the "normal train" they had intended to ride. 

Infinity Train: Book 4 returns to HBO Max on April 15. 

Andy Hunsaker has a head full of sitcom gags and nerd-genre lore, and can be followed @AndyHunsaker if you're into that sort of thing.