Ah, Saved By The Bell, arguably the best thing to ever happen to 1989. And then there was The New Class, and The College Years (and that 40-year-old muscle man roommate with the mullet to end all mullets). And then The New Class kept changing. And then you kinda wanted to shoot Screech and Mr. Belding. But before all that, there was just Saved By The Bell.

Last night, Zack Morris made a rare appearance on Late Night with Jimmy Fallon to promote the return of his alter-ego’s show Raising The Bar. Apparently, Zack became an actor after high school and can now be seen on TNT’s prime time legal drama.

Here’s last night’s unforgettable experience: