Astronaut Dolphin Detective is a character in his very own TV show.
In A.D.D. he gets his own episode in a show within a show. The plot in every episode in his show is about two people talking about a threat that needs to be stopped by Astronaut Dolphin Detective. After the threat is destroyed, Dolphin Detective indulges in sexual activity with female aliens. It is quite similar to Mr. Pickles' sexual acts.