Season 2: Episode 31: The Fabulous Belding Brothers
Mr. Belding's brother, Rod, might be cool, but popularity doesn't mean everything. When Rod substitute teaches at Bayside, all the kids forget about good old Mr. B and focus all their attention on Rod. Rod offers to take the students whitewater rafting, and Mr. Belding is left out of the picture, that is until Rod ditches the students for a date with a stewardess. Mr. Belding takes them on the trip and saves the day.