In one scene, the monster lifts a chair and puts it down and then "motions" smashing it. It is held that Lon Chaney (Jr.) playing the monster thought it was a rehearsal not an actual broadcast and hence did not want to break the chair!
Some background music is STravinsky's "Firebird"
This episode is available on DVD through Television Classics; PMB 421; 991-C Lomas Santa Fe Drive; Solana Beach, CA 92075. The DVD has three half hour episodes: Frankenstein, The Crystal Egg and Appointment on Mars