Mortimer T. Flightdeck, Future YouTube Sensation, has big plans for ratkind: he'll join the International Space Station (ISS) and document his experiments on the human astronauts to prove rats are much better than humans when it comes to colonizing Mars. But when his schemes go awry, he is forced to face new truths about dreams and friendship.

Litter is not only an eyesore but a serious threat to animals and their habitats. We can all work together to keep the planet healthy and clean. Did you know that gum on the sidewalk is litter? Even a banana peel that is thrown in a ditch is litter. Trash poses a threat to animals everywhere, including pets, farm animals and wildlife. They can get injured or trapped in the litter and even eat garbage that makes them sick. InToo Much Trash: How Litter Is Hurting Animals,we discover how garbage ends up everywhere--from city streets and the wilderness to farmland and the ocean. But there's good news: litter is a problem everyone can help prevent. Around the world, kids and adults are finding ways to take out the trash. Find out how you can help clean up the planet for all species.