The Celebrity Roasts were heavily scripted and represented the last gasp of the venerable The Dean Martin Show (1965), which began on NBC in 1965. The first deviation from Martin's variety format began in the ninth season, when Hugh M. Hefner was "roasted". The roast format consumed the show in the tenth season, but as the season progressed Martin, never overworked, seemed stressed with personal problems related to marriage with Kathy Hawn (they divorced in 1976). Many "reaction" shots of Martin on the later roasts would actually be edited from earlier roasts (relatively easy due to him wearing a trademark tuxedo). The last roastee would be Michael Landon, an encore appearance.