Infinity Train is a really cool and exciting show on Cartoon Network. It's about a train that goes on forever and ever, and it's full of lots of different train cars that are all different and amazing.
The main character, a young girl named Tulip, finds herself on the Infinity Train by accident - she didn't mean to be there and she doesn't know how to get off. But as she travels through the different train cars, she meets lots of interesting and unique characters who become her friends.
Each train car is like its own little world, with its own challenges and puzzles for Tulip and her friends to solve. Plus, there are strange and mysterious forces at work on the train - things like glowing numbers and strange creatures called "nulls" - and Tulip has to figure out what they all mean.
The show is really exciting because you never know what kind of train car or adventure is going to come next. But throughout it all, Tulip is determined to find her way off the train and back to the real world.