South Park

Season 2, Episode 6 — The Mexican Staring Frog of Southern Sri Lanka

TMDB episode metadata

Show: South Park

Episode title: The Mexican Staring Frog of Southern Sri Lanka

Air date: June 10, 1998

Director: Trey Parker

Top billed cast: Trey Parker, Matt Stone, Isaac Hayes, Mary Kay Bergman, Mona Marshall, Jennifer Howell

Mr. Garrison assigns the boys to learn about Vietnam from somebody they know. Stan's Uncle Jimbo and his friend Ned tell the boys their outrageous tale. Mr. Garrison doesn't believe the boy's report and gives them detention. They plot revenge against Stan's Uncle by submitting a phony video of the Mexican Staring Frog of Southern Sri Lanka to them.

Source: TMDB