Efron and O'Brien are seen shirtless multiple times throughout the series. Specially, while in hot water springs and when using an outdoor shower.
During an animated segment, Zac talks to a Tasmanian Devil and makes a joke about breeding programs and the Tasmanian Devil blushes. It's just a simple one off joke, though.
Profanity
Mild
Coarse language is used. However, the language is censored out.