You will Watch T.U.F.F. Puppy Season 1 Episode 20 online for free episodes with HQ / high quality. Stream cartoons T.U.F.F. Puppy Episode 20 A Doomed Christmas. Petropolis’ villains team up to hijack Christmas. Dudley and Kitty need to stop them and save Santa and his elves before midnight or nobody can get presents this year!