Sesame Street Episode #20.21 (1969– ) Online
Elmo meets Bob's deaf friend, T.J., and they become friends almost instantly, Elmo learning about what it means to be deaf. Then Oscar gets Bob and Gordon to sing with his "Out of Tuners" Band, and Barkley joins in.
| Episode credited cast: | |||
 | Pam Arciero | - | Girl (voice) |
 | Ivy Austin | - | Grandmother 'Listen to the Bells' (voice) |
 | Fran Brill | - | Prairie Dawn / Mother 'Listen to the Bells' (voice) |
 | Kevin Clash | - | Elmo (voice) |
| Suzanne Farrell | - | Herself |
| Fred Garver | - | Barkley (voice) |
 | Jim Henson | - | Ernie / Guy Smiley / Kermit the Frog / Lead Singer 'Listen to the Bells' (voice) |
 | Richard Hunt | - | Placido Flamingo / Gladys the Cow (voice) |
| Bob McGrath | - | Bob |
| Jeff Moss | - | Scat Vocals on 'Listen to the Bells' (voice) |
 | Jerry Nelson | - | Phil Harmonic / Super Grover Announcer (voice) |
 | Roscoe Orman | - | Gordon |
 | Frank Oz | - | Bert / Grover (voice) |
 | Alaina Reed-Hall | - | Olivia (as Alaina Reed) |
 | Martin P. Robinson | - | Carl Mericana / Announcer (voice) |