It's really rather simple.
He's just telling all the people who don't speak Klingon or hang around various TrekBBSes or don't know who farted and when in an episode that aired in 1967 that these movies he's making, you can enjoy them coming in fresh and without previously knowing anything about Trek.
And if you happen to know who farted in 1967, there are also plenty of things for you to enjoy too. If
you're not too busy getting offended by nonsense and by picking and choosing quotes.