Lois & Clark: The New Adventures of Superman Season 4 Episode 11
The annual Daily Planet Christmas Party is underway, and everyone but Lois is in the spirit of the season. Perry has bought a gigantic tree, Jimmy is showing off his new girlfriend, and the Kents have finished their Christmas shopping. Clark tries to get his wife to embrace the Christmas spirit but is sidetracked by a couple superhero rescues he must perform. He is on his way back to the party when he meets Mister Mxyzpltlk, a imp from the fifth dimension. Mxyzplitlk has plans for this planet and starts a time loop that soon has the whole world on the brink of chaos. Only Clark knows what is going on, and he must find a way to get Lois out of her funk so that she can help him break the time loop and restore hope on this Christmas Eve.
Episode Title: 'Twas the Night Before Mxymas
Air Date: 1996-12-15