When does How the Grinch Stole Christmas! return?

How the Grinch Stole Christmas! is a 1966 American animated television special, directed and co-produced by Chuck Jones. Based on the 1957 children's book of the same name by Dr. Seuss, the special is considered a perennial holiday special. The Grinch is a surly, antisocial green creature with a heart "two sizes too small" who lives alone in a snowbound cave atop Mt. Crumpit.