Big Wolf on Campus - Season 3 Episode 8 Save the Last Trance

When a man in a Santa Claus suit and a sleigh, the gang is convinced that he was Santa Claus, and they help him fix his sleigh before he entered the sky again. When he discover the real Santa Claus, the real one explains to Tommy, Merton, and Lori about what happened with him and his brother, Roger who stole the Santa suit, which contained magic that helps Santa Claus do all those amazing things. The gang teams up with Santa Claus to save Christmas from being ruined by his evil brother - the Anti-Claus.