Here are his appearances:
* Season 1, Episode 9 (January 22, 1976) - He performed his "Foreign Man" character and interviewed the musical guest, the musical group "The Electric Light Orchestra."
* Season 1, Episode 14 (March 27, 1976) - He was a guest host and introduced the musical guest "The Doobie Brothers" with a bizarre, nonsensical introduction.
* Season 2, Episode 7 (December 4, 1976) - He was a guest host again and performed his "Mighty Mouse" act.
There is no record of an SNL skit or episode featuring Andy Kaufman and the word "Ka".