Revealing mistake: At the very end before the credits, Cosby and Culp play stickball with kids on the street. Cosby races to reach a fire hydrant which he almost knocks over, revealing it to be a prop. (00:51:00)
No Exchange on Damaged Merchandise - S1-E9
Visible crew/equipment: During the opening sequence, the bad guys' red Ford Galaxy reflects a bank of studio lights when the door is opened. (00:03:30)
Kelly Robinson: Don't you ever bring a silencer?
Alexander Scott: Ruins the line of my suit.
Kelly Robinson: Mine too.