Adam-12 (1968)

S1E20 Log 073: I'm Still A Cop

While Malloy is in college, some radicals discover that he’s a police officer. They turn against him, making his life difficult at work. After he assists in apprehending protestors, his new car is targeted and vandalized. Later, when he notices a timer is missing, he tracks it down and successfully disarms a bomb that was set to go off.