Bermuda Triangle

The Bermuda Triangle is a loosely defined region in the western part of the North Atlantic Ocean, where a number of aircraft and ships are said to have disappeared under mysterious circumstances.

Season three
[http://scoobydoo.wikia.com/wiki/Mystery_Inc. The gang] was boating in the Bermuda Triangle when they encountered a hurricane and ended up stranded on a deserted island -- which appered to be home base for a UFO that captured Hurricane Hunter aircraft. Not only that, but there were also some skeleton men on the loose. (A Creepy Tangle in the Bermuda Triangle)

The 13 Ghosts of Scooby-Doo
The gang were at a restful vacation, unaware that the cruise ship they've booked passage on is populated by ghosts.

Scooby-Doo! Pirates Ahoy!
The [http://scoobydoo.wikia.com/wiki/Mystery_Inc. Mystery Inc. gang] were caught in the mystery of the Bermuda Triangle, while vacationing on a creepy eerie cruise, with ghost, pirates, and monsters.

Appearances

 * The Scooby-Doo Show
 * 302. A Creepy Tangle in the Bermuda Triangle
 * The 13 Ghosts of Scooby-Doo
 * 106. Ship of Ghouls
 * DTV10. Scooby-Doo! Pirates Ahoy!