During Christmas, the Castaways get homesick and remember the first day they were shipwrecked. When Santa Claus ""appears"" on the island, many suspect he is the Skipper in costume. However, just as Santa departs while wishing the Castaways a Merry Christmas, the Skipper appears from the other direction.
Elenco: Bob Denver , Alan Hale Jr. , Russell Johnson , Jim Backus , Natalie Schafer , Tina Louise , Dawn Wells .