The biggest event on all fours is back! The Puppy Bowl returns for its 12th consecutive year in 2017 with an all-star, all-adorable cast that's ready to mix it up on the grand gridiron of Animal Planet Stadium. Puppy Bowl XI brings viewers a lovable starting lineup that's itching to play in a winning combination of terrier tackles, touchdowns, puppy penalties, fumbles and Fido first downs.This year's big game is sure to be a tail-wagger. For the first time in Puppy Bowl history, the pups will be battling it out on teams: Team Ruff and Team Fluff. And you can get in on the fun by drafting pups in our Fantasy Game and watching their points tally up during the game to see if you can get on the leaderboard.From barking beagles and spunky spaniels to everything in between, we've got the cutest players taking the field on the most action-packed Sunday of the year. Plus, back for another year is the popular BISSELL Kitten Halftime Show, guaranteed to bring the house down! And, sideline reporter "Meep the Bird" will return to tweet live updates throughout the game. Follow @MeepTheBird on game day for the latest news, puppy penalties and behind-the-scenes moments from inside the stadium.