Re: >>21054757
PHISTER ORPHANAGE - "Guess Who's Coming to Christmas" from the TV show "Happy Days." It aired on December 17, 1979
The episode features the regular cast, including Ron Howard, Henry Winkler, and Tom Bosley. The Phister Orphanage is a significant part of the plot, where the characters spend their Christmas.
https://www.imdb.com/title/tt0596222/?ref_=fn_al_tt_3