Bart Gets an Elephant
The Simpsons: Season 5, Episode 17
When Bart wins a radio quiz, he can choose between a large cash prize and an elephant. Bart christens his new elephant and best friend Stampy, but Homer can't afford his upkeep and decides to sell him to an ivory dealer.
Show: The Simpsons
Air date: March 31, 1994
Written by: John Swartzwelder
Chalkboard gag: "Organ transplants are best left to the professionals"
Episode no: Season 5; Episode 17