Related to Naked People Are Funny. Nagibin, a major plot point is that the girl the protagonist befriended does this. In Modern Familywe learn that when she was a teenager, Claire was caught by the police skinny-dipping in a neighbor's pool. Commander Adams visits Altaira while she's swimming by herself: One of the first casualties to the dinosaurs of Cavewoman was doing this.
Mulan has the title character taking a bath in the middle of the night so as not to reveal her identity.
The Fabulous Furry Freak Brothers would sometimes go skinny dipping with some girl freaks, having innocent fun and oblivious to voyeuristic police in helicopters or repressed peeping toms crowding the perimeter of a nude beach. The Fountainhead starts with this. Episode has a nudist beach with some guys does this. When Will escapes to a new world in The Subtle Knifeone of the first things he does is undress and go swimming in the ocean. Mulan has the title character taking a bath in the middle of the night so as not to reveal her identity. It should be noted, Neal is played by Matt Bomer. In a Halloween EpisodeLouise tries to thwart a gang of teens terrorizing the local trick-or-treater kids.