South Park

Season 2, Episode 16 — Merry Christmas Charlie Manson!

TMDB episode metadata

Show: South Park

Episode title: Merry Christmas Charlie Manson!

Air date: December 09, 1998

Director: Eric Stough

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

Kyle, Stan and Kenny accompany Eric and his family to a Christmas celebration with the Cartman family. One of Cartman's relatives breaks out of jail for the reunion, with his cellmate, Charles Manson.

Source: TMDB