When the sour-sweet wind starts blowing again, the Whos retreat to their homes because they know the Grinch will soon be a'prowlin. Young Eukariah Who has to make a trip to the Euphemism (outhouse), when the wind blows him away to a confrontation with the gruesome Grinch. Eukariah decides that the Grinch must be stopped, so he faces his fears and confronts the Grinch and his spooks.
Unfortunately the movie Halloween Is Grinch Night is not yet available on HBO Max.
| Editing | Robert Gillis | Editor |
| Visual Effects | Chrystal Russell | Animation |
| Visual Effects | John Gibbs | Animation |
| Camera | Ray Lee | Camera Operator |
| Visual Effects | Don Williams | Animation |
| Writing | Dr. Seuss | Teleplay |
| Art | Richard H. Thomas | Background Designer |
| Visual Effects | Lee Mishkin | Animation |
| Production | Lee Gunther | Production Manager |
| Visual Effects | Bob Matz | Animation |
| Production | Friz Freleng | Executive Producer |
| Directing | Gerard Baldwin | Director |
| Crew | Roy Morita | Title Graphics |
| Visual Effects | Willis Pyle | Animation |
| Camera | Bob Mills | Camera Operator |
| Production | David H. DePatie | Executive Producer |
| Visual Effects | Rudy Zamora Jr. | Animation |
| Camera | Ralph Migliori | Camera Operator |
| Editing | Joe Siracusa | Editor |
| Sound | Joe Raposo | Music |
| Crew | Bob Dranko | Title Graphics |
| Production | Dr. Seuss | Producer |
| Visual Effects | Fred Hellmich | Animation |
| Editing | Rick Steward | Editor |
| Sound | Thurl Ravenscroft | Vocals |
| Sound | Eric Rogers | Conductor |
| Writing | Dr. Seuss | Lyricist |
| Directing | Barrington Bunce | Assistant Director |
