- 1985-2023 -

Films where Velma loses her glasses:
Scooby-Doo!: Haunted Holidays
The Scooby-Doo Project
either Scooby-Doo and the Alien Invaders or Witch's Ghost
Scooby-Doo: Where's My Mummy?
Scooby-Doo (2002 - live action)
Scooby-Doo and the Curse of the 13th Ghost
Scooby-Doo and the Gourmet Ghost
Happy Halloween Scooby-Doo! (2020)
Scooby-Doo and the Samurai Sword
and last but not leastly, Trick Or Treat Scooby-Doo! (2022) to glorious effect!
Scooby-Doo! and Krypto, Too! (but not Velma)

I should have kept track of how many movies mentioned Fred's ascot!!

For a list where these films are sorted by overall craziness see:
Scooby-Doo Animated Films (Ranked by Unhinged) - boxd.it/Fjzs8

44/56

The Scooby-Doo Project (Blair Witch parody) would be pretty high up on the list (in the top ten) if I included it!