Shows may have sexual themes, frank sexual discussion, nudity, strong language, and graphic violence; in other words, programs that would be deemed inappropriate if aired during the day on Cartoon Network, when children would be watching.While the network features comedic and dramatic programs of all types, many of its programs are aesthetically experimental, transgressive, improvised, and surrealist in nature.It would show signs all around the pool saying things like "Warning Potential Violence", "Warning Strong Language in use", "Caution Sexual Innuendo", "Caution Limited Animation", "No Diving", "No Kids", "Warning Adult Situations", Some of these bumpers were narrated by a lifeguard who spoke through a megaphone.
The Ren & Stimpy Show, Animaniacs, Rocko's Modern Life, Batman: The Animated Series, Sponge Bob Square Pants, The Angry Beavers, and The Powerpuff Girls.
were the other seven popular and heavily influential cartoons; although these latter two series were technically created for children, they had many adult themes, giving them wide appeal across all age groups.
The block gets its name from a phrase used by public swimming pools in the United States to label designated times when children are restricted from using the facilities in favor of adults.
Debuting in 2001, Adult Swim serves as the nighttime identity of Cartoon Network, and was established as alternative programming during the late night hours when Cartoon Network's primary target audience, children between the ages of 7–16, would normally be sleeping.
According to Linda Simensky, "We had a bunch of episodes to screen for Mike Lazzo and by only the second episode, he yelled, Buy it!
" Cartoon Network bought the original five UPN episodes and ordered eight more to complete the season.The screening was part of the Toyota Comedy Festival.On Saturday July 21, 2001, the Space Ghost Coast to Coast panel at San Diego Comic Con had a trivia game in which the winners won a promotional CD that had the theme songs to the upcoming Adult Swim Shows.The Leave It to Brak episode "War Next Door" and Space Ghost Coast to Coast episode "The Justice Hole" were also screened and clips to the episode "Sweet for Brak".Print ads were shown in an August issue of Entertainment Weekly. The Adult Swim block launched on September 2, 2001 at 10 PM EST, with the debut airing of the Home Movies episode "Director's Cut", which had been shelved before airing on its original network, UPN.The series' first season was animated in Squigglevision, however, the later seasons that were done in flash animation.