Son of Flubber (1963)/Sesame Street

Cast

 * Professor Ned Brainard as Big Bird
 * Betsy Carlisle as Prairie Dawn
 * Alonzo P. Hawk as Oscar the Grouch
 * A. J. Allen as Elmo
 * Mr. Harker as Baby Bear
 * TV announcer Rex Williams as Count Von Count
 * Biff Hawk as Ernie