Seth MacFarlane -- I'll NEVER Host the Oscars Again

Rest easy, prudes ... and Kardashian family ... 'cause "Family Guy" creator Seth MacFarlane says there's "no way" he'll return to the Academy Awards as a host.

MacFarlane's hosting performance has been the subject of some major media scrutiny ... by people who take the awards WAAYYY too seriously ... yet, ratings for the show were reportedly UP this year.

Still, when Seth was asked on Twitter if he would ever return as the host ... he tweeted back, "No way. Lotta fun to have done it, though."

Oh, and in case you forgot the joke he made about the K-Squad ... here's what he said while talking about Ben Affleck in "Argo":

"First time I saw him with all that dark facial hair, I thought 'My god, the Kardashians have finally made the jump to film.'"

C'mon ... that's funny stuff.