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The 1986 Crystal Light National Aerobic Championship Open

Incontrovertible proof the ’80s were just unbelievable, and stand alone as a decade in human history. This non-stop, seven minute clip of synchronized aerobics routines (with a diamond design motif) is the kind of thing that literally only happened around 1986, and even those of us that were around then can barely believe this was ever on TV.

File this under: why we love YouTube.