Kidnapping Daphne Blake

A long-running theme of having Daphne Blake getting kidnaped or captured by the antagonist.

Scooby-Doo, Where Are You!

 * Decoy for a Dognapper:
 * A Gaggle of Galloping Ghosts:
 * Which Witch Is Which? 
 * Go Away Ghost Ship
 * Mystery Mask Mix-Up

The New Scooby-Doo Movies

 * Sandy Duncan's Jekyll and Hyde:

The Scooby-Doo Show

 * The Creepy Creature of Vulture's Claw:
 * A Menace in Venice:

The 13 Ghosts of Scooby-Doo

 * Scoobra Kadoobra:

A Pup Named Scooby-Doo

 * Wanted Cheddar Alive:
 * The Computer Walks Among Us:

What's New, Scooby-Doo?

 * Big Scare in the Big Easy:

Animated Movies

 * The Monster of Mexico:
 * The Loch Ness Monster:
 * Music of the Vampire:

Live-action Movies

 * Scooby-Doo

Comics

 * Scooby-Doo! and the Farmyard Fright:
 * Scooby-Doo! and the Deep Sea Diver: