'Back to the Future GTA IV' mod let's 'Grand Theft Auto IV' players drive a time-traveling DeLorean around Liberty City. This is heavy.

Probably only WarmingGlow old-timers will appreciate this clip (holla, GetOffMyLawn-ers), but if you were a child who grew up in the late 70s or early 80s -- back before smart phones and Internet porn -- the biggest, cheapest thrill available arrived every Friday night on CBS.