This is the thirty-first Scooby movie.
Shaggy and Scooby see danger coming to Crystal Cove on Halloween but nobody believes them! After the gang see the danger, can they stop the horrible Jackal-Lanterns by some thinking, or is it the end?
- Dr. Crane (Scarecrow)
- Cutler Toe (Sheriff, Alpha Jackal-Lantern)
- Elvira, Mistress of the Dark
- Bill Nye
- Federal Agent Malarkey
- Crystal Cove
- Crystal Cove mall
- Forest near Crystal Cove
- Moonscar Island
|Matthew Lillard||Shaggy Rogers|
|Grey Griffin||Daphne Blake|
|Kate Micucci||Velma Dinkley|
|Dwight Schultz||Scarecrow/Jonathan Crane|
|David Herman||Sheriff/Cutler Toe|
|Roger Craig Smith||Autopilot
|Fred Tatasciore||Alpha Jackal-Lantern
- The Spookiest Time Of The Year
- Look At Us Now
- Happy Halloween, Scooby-Doo! - DVD (September 14, 2020) IN THE UK
- Happy Halloween, Scooby-Doo! - Walmart exclusive DVD (September 15, 2020)
- Happy Halloween, Scooby-Doo! - DVD (October 6, 2020)
- Happy Halloween, Scooby-Doo! - DVD (October 7, 2020) IN AUSTRALIA
- This is the only Scooby DTV movie to be released in 2020 due to COVID-19 and to the release of SCOOB!
- The town where the gang lives is usually Coolsville in DTVs, yet here it's Crystal Cove.
- The Sheriff appears for the third time (Scooby-Doo! And the Curse of the 13th Ghost, Scooby-Doo! Return to Zombie Island). He was revealed to be a disguise.
- Canadian streaming service, STACKTV, previously named this Halloween, Scooby!