Sesame Street Stays Up Late/Alphablocks

Cast

 * Baby Bear as A
 * Bert as B
 * Big Bird as C
 * Cookie Monster as D
 * Count von Count as E
 * Elmo as F
 * Ernie as G
 * Grover as H
 * Lambs as I
 * MNN Logo Monsters as J
 * Mrs. Grouch as K
 * Oscar the Grouch as L
 * Penguins as M
 * Prairie Dawn as N
 * Rosita as O
 * Snuffy as P
 * Telly Monster as Q
 * Uncle Hank as R
 * Wolfgang the Seal as S
 * Zoe as T
 * Cousin Pepe as U
 * Elmo-noske as V
 * Tita as W
 * Kippi Ben Kippod as X
 * Samson as Y
 * Max Mekker as Z