Title: Starvin' Marvin
Original air date: November 19, 1997

Summary:
"Starvin' Marvin" is the ninth episode of the first season of the American animated television series South Park. It originally aired on Comedy Central in the United States on November 19, 1997. In the episode, Cartman, Kenny, Kyle and Stan send money to an African charity hoping to get a sports watch, but are instead sent an Ethiopian child whom they dub Starvin' Marvin. Later, Cartman is accidentally sent to Ethiopia, where he learns activist Sally Struthers is hoarding the charity's food for herself. In an accompanying subplot, after genetically engineered turkeys attack South Park residents, Chef rallies the residents to fight back, in a parody of the film Braveheart.
http://en.wikipedia.org/wiki/List_of_South_Park_episodes