Created by Jack Webb, Adam-12 was a spin-off of the popular NBC-TV series Dragnet and similarly portrayed incidents and situations that were based on real LAPD cases. The names may have changed, but the cars, badges and drama remained the same. The show aired for seven seasons on NBC from 19681975. Starring Martin Milner, Kent McCord, Jodie Foster, Margaret O'Brien, Special Features: 4-Disc Set Region 1 NTSC Slipcase Full Frame - 1.33 Audio: Dolby Digital 2.0 English Runtime: 600 Minutes.