PBS Kids/Monsters VS Aliens

Cast

 * Becky as Susan
 * Matt as The Missing Link
 * Elmo as The Insectosaur
 * BJ as Dr. Cockroach
 * Arthur as The Indestructible Gelatin
 * Hacker as Gallhaxar
 * David Read as Carl Murphy
 * Jane Read as Wendy Murphy
 * Wonder Red as Katie