Between the Lions, Muppet Treasure Island and Melissa and Doug Puppets/Monster in the Mirror (from Sesame Street)

Cast

 * Barnacle Bart the Pirate Puppet (from Melissa and Doug Puppets) as Grover
 * Rizzo the Rat (from Muppet Treasure Island) as Gray Monster
 * Gonzo (from Muppet Treasure Island) as Tan Monster