At 8:00: Space Academy (1977-78), starring Jonathan Harris of Lost in Space as the headmaster of an academy for kids with paranormal powers. The main hunk was second-in-command Chris (Ric Carrott, seen here in a later softcore porn flick). But there was also the super-intelligent Paul (Ty Henderson), the super-strong Tee Gar (Brian Tochi), and their mascot, an orphan boy named Loki (Eric Greene).
Stephen Parr , the robot from Lost in Space, plus their two teen companions, played by Larry Volk and Lynn Marie Johnston.
Whiz Kids), J.R. (J.R. Miller, right), Lil Bill (Johnn Brogan, second right), and Doc (James Bond III, right).
And there were many others with that I missed.
See also: More Saturday Morning Live Action Beefcake