No real messages of any sort, though viewers might learn how one person's annoying behavior can negatively affect others.
Some fantasy violence. In one episode, for example, characters are put into cannons and fired at others. Character deaths are implied as fruit or vegetables are cut up for human consumption by a body-less knife. The syncho-vox animation technique used to bring the fruit and vegetable characters to life might be disturbing to some younger viewers.
Passion Fruit has a crush on Orange, and there's some flirting.
Characters call each other names like "loser," "annoying," and "lame." One character prefers to be called Little Apple but is called Midget Apple.
The show was inspired by a popular web series, and some merchandise is available.