On the shelf behind the couch in the brothers' living room, there is a picture of the two of them as babies. This is the same picture shown in the credits where a young Shawn says, "Look up, Marlon. Say cheese!"
Adam West, one of the actors best known for playing Batman, makes an appearance in the series. Marlon Wayans had been slated to play Robin in the Burton-Schumacher Batman films, but was dropped due to creative reasons when Schumacher took over the series.