This clip is from the very last episode of ABC's iconic music TV show Countdown. 

Revisiting Australia’s landmark music television program Countdown half a century after it began, Curator Simon Smith spotlights rarely seen moments from the golden era of 1970s music television.

To celebrate 50 years of Countdown, we’ve rounded up 13 surprising facts that define the show’s singular alchemy.

This image captures one of the most disastrous, yet charming, moments in the history of Australian television.