How the Grinch Stole Christmas! (TV special) Seuss cartoon, "Horton Hears a Who"). Both story collections contain selected dialogue and music numbers. The "isolated music tracks" in this edition are taken directly from the television soundtrack and are not the re-recorded tracks from earlier versions. The dialogues are the originals, being voiced by Boris Karloff for "Grinch" and Hans Conried for "Horton." Because Thurl Ravenscroft was not credited in the closing credits of the 1966 television special as singing the song "You're a Mean One, Mr. Grinch", it is sometimes attributed to Boris Karloff. After becoming aware of this oversight, Seuss himself called Ravenscroft and apologized profusely
How the Ghosts Stole Christmas episode. Carter agreed to meet her and the two discussed possible ideas for futures episodes. After several years of thinking, Carter decided to write "How the Ghosts Stole Christmas" largely as a vehicle for her. Originally, Carter wanted Bob Newhart to play the part of Maurice. However, Newhart was not interested, and so the production team approached Ed Asner, who readily agreed to take part in the episode. The production for the episode was bare-bones, making use of only a few sets. Because of this, "How the Ghosts Stole Christmas" was the cheapest sixth season episode; however, the reduction in