In one scene in the imaginary fantasy world, a spaceship Serenity, from Firefly (2002), is seen flying in the sky in the background.
Steve (Scott Grimes) explains to Francine (Wendy Schaal) that Live Action Role-Playing (LARP) is a game involving role-playing where the participants in real life physically portray their characters. The first LARP's were run in the late 1970s, inspired by tabletop role-playing games and genre fiction.