In Wayne's Dream, there is a naked tribal member, but only his butt is visible
The main characters accidentally walk into a gay bar (though this is not explicitly mentioned) entitled "The Tool Box." Several stereotypically gay characters are seen.
Wayne's girlfriend is accused of having an affair.
Some very mild kissing, nothing sexual.
Garth meets an attractive woman, who acts increasingly seductive to him, and it's implied they have sex. Nothing unsuitable happens though, it's all PG level.
Male & female blow up dolls on stage in compromising position at Aerosmith concert.
Girl is sitting on a guy's shoulders at Aerosmith concert and takes her top off..no nudity.
Girl at laundromat seductively plays with licorice on her mouth.
Wayne talks about Garth finally getting his pubic hair (pubes).