2 am, Mannix comes on, 3 AM Cannon comes on, 4 am Barnaby Jones comes on. I like seeing those old, heavy ass, American cars. I'd trade a kidney for an old car like that, brand new! 9 hard-boiled facts about 'Mannix' - MeTV www.metv.com › lists › 9-hard-boiled-facts-about-man... Dec 1, 2016 - Loaded with plenty of brawling, shootouts and car chases, Mannix ran on CBS from 1967 to 1975 and was perhaps the most exciting and violent ...