The Challenge A psychiatrist friend of Ironside's is murdered, and the only clues are his collection of artworks. Is one of the artists the murderer? And if so, which one? Details Casts Galleries Posters Season Lists Title The Challenge Genres Crime Drama Mystery Release Date 1968-02-08 Episode Runtime 01 Hours 00 Minutes Season Number 1 Episode Number 21 Production Companies Universal Television, Harbour Productions Unlimited Raymond Burr... Robert Ironside... Don Galloway... Ed Brown... Don Mitchell... Mark Sanger... Barbara Anderson... Eve Whitfield... Original Size (2019x1136) Original Size (1280x720) Original Size (1280x720) Original Size (1920x1080) Original Size (960x1440) Original Size (680x1000) Original Size (500x750) Season 1 29 Episode(s) 1967-03-28 Season 2 25 Episode(s) 1968-09-19 Season 3 25 Episode(s) 1969-09-18 Season 4 26 Episode(s) 1970-09-17 Season 5 24 Episode(s) 1971-09-14 Season 6 23 Episode(s) 1972-09-14 Season 7 23 Episode(s) 1973-09-13 Season 8 16 Episode(s) 1974-09-12