TKO: Total Knock Out
TV-PG
1977 25m[Game Show](/on-demand/category/game-show), [Reality](/on-demand/category/reality)9.0
Knockout is an NBC game show that aired from October 3, 1977 to April 21, 1978. A Ralph Edwards production, it was hosted by Arte Johnson, with announcing duties handled first by Jay Stewart and later by John Harlan. A British version of the show, called Odd One Out, aired from 1982–1985.
