Although commonly believed, the concept of humans only being able to tap into 10% of their brains has long been proven to be untrue.
When Terry recites the names of the past presidents he stops with Bill Clinton, who was the current president at the time the show was made.
Among the pictures of missing children Terry views is a girl who closely resembles Annie, Clayface's "daughter" seen in Growing Pains (1998).
Edgar, the Albino member of Brain Trust with telepathy and telekinetic powers, would later appear in Double Date (2005), as the son of Steven Mandragora.
Tamara's toy, Pugley, bears a striking resemblance to a Teletubby.