Robin Williams Mork

The "Happy Days" episode "My Favorite Orkan" introduced Robin Williams as the alien Mork from Ork, and eventually led to the spinoff "Mork and Mindy," an odd-couple sitcom that lasted nearly 100 episodes and established Williams as a comedic powerhouse. 

"My Favorite Orkan" will air twice this Friday, August 15, at 9pm and 9:30pm ET, on the Hub Network.

The broadcast will also include an on-air tribute to Williams's work, as well as the alternate ending that made "Mork and Mindy" possible.

READ MORE:  Robin Williams, Dead at 63

If you can't wait until Friday, below is a clip from "Happy Days," of Mork meeting the Fonz (Henry Winkler).