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 Grinch Stole Christmas! (TV special) (such as 1964's "Rudolph the Red-Nosed Reindeer", 1965's "A Charlie Brown Christmas" and 1969's "Frosty the Snowman") that have come to be regarded as classics. It received modestly positive reviews at the time it was released. Critic Rick Du Brow said it was "probably as good as most of the other holiday cartoons." It has since been recognized as a classic, with Rotten Tomatoes giving it a 100% "fresh" rating on its website; the critical consensus reads, ""How the Grinch Stole Christmas" brings an impressive array of talent to bear on an adaptation that honors a classic holiday story –