There are 3 main Grinch movies based directly on the original Dr. Seuss story.

Core answer

Most people mean the “main” Grinch movies adapted from How the Grinch Stole Christmas! When counted that way, there are three:

  • How the Grinch Stole Christmas! (1966 animated TV special)
  • Dr. Seuss’ How the Grinch Stole Christmas (2000 live‑action, Jim Carrey)
  • The Grinch (2018 animated, Benedict Cumberbatch)

If you count all specials

If the question is “how many Grinch screen adaptations exist at all,” then you can include the TV specials built around the character:

  • Halloween Is Grinch Night (1977 TV special)
  • The Grinch Grinches the Cat in the Hat (1982 TV special/crossover)

Some guides also group in stage/TV event productions like Dr. Seuss’ The Grinch Musical Live! (2020) when talking about “every Grinch movie or special,” giving a longer list beyond the core three.

Simple breakdown table

Type Title Year
Main movie How the Grinch Stole Christmas! 1966
Main movie Dr. Seuss’ How the Grinch Stole Christmas 2000
Main movie The Grinch 2018
Special Halloween Is Grinch Night 1977
Special The Grinch Grinches the Cat in the Hat 1982
**TL;DR:**
  • Asking “how many Grinch movies are there?” in the usual sense = 3 main movies.
  • Including older TV specials and similar productions = at least 5 well-known official adaptations , plus a few extra fringe/unauthorized ones sometimes listed separately.

Information gathered from public forums or data available on the internet and portrayed here.