Gilligan's Island (1964)

S01E12 Birds Gotta Fly, Fish Gotta Talk

As Christmas approaches, the Castaways start to feel a wave of nostalgia, reflecting on their initial day of being stranded. When a figure resembling Santa Claus shows up on the island, suspicions arise that it might just be the Skipper in disguise. But just as Santa bids the Castaways a Merry Christmas and heads off, the real Skipper emerges from the opposite side, adding to the confusion.