Dr. Seuss (1977)
Halloween Is Grinch Night is a 1977 children’s musical dark fantasy Halloween television special and is the prequel to the 1966 television special How the Grinch Stole Christmas! It premiered on ABC on October 29, 1977. The original voice actor for the Grinch, Boris Karloff, by then deceased, was replaced by Hans Conried, though Thurl Ravenscroft, who sang on the original special, again provided singing vocals. The songs and score were composed by Sesame Street composer Joe Raposo.
A strange wind blows into Whoville, making all the inhabitants stay indoors. They know the wind means the Grinch will be in a foul mood and out to do harm. However, young Eukariah decides to confront the Grinch.