L'Scooby-Doo i tota la colla emprenen un aterridor creuer cap a un dels llocs més misteriosos del món: el llegendari Triangle de les Bermudes. A alta mar, hauran de fer front a aparicions alienígenes i a espantosos pirates fantasmes que els encanta enfonsar creuers a canonades. Però les coses empitjoren encara més quan els pirates segresten els pares d'en Fred. Si l'Scooby-Doo, en Shaggy i companyia no poden resoldre aquest misteri marítim, els llançaran al mar i es convertiran en les següents víctimes del maleït Triangle. Atenció, navegants: pirates a la vista!

When the incompetent Lieutenant Frank Drebin seeks the ruthless killer of his partner, he stumbles upon an attempt to assassinate Queen Elizabeth II.

After a young woman and her parents are murdered by a killer determined to wipe out the entire family, Detective Inspector Joona Linna works with a psychiatrist to hypnotize the son who narrowly escaped death in order to find the one surviving daughter before the murderer does.

A wanderer named Timothee arrives in a French village in 1865 pretending to be deaf and mute. He uses tricks to hypnotize a beautiful young woman named Josephine and takes advantage of her until he is arrested and tried for his crimes.

Leila, a lonely young soul spends the night partying with her friends Nancy, David and Nash in a warehouse. As the boys drink up and smoke pot all social barriers between the sexes crumble. Leila, hit on by both men, hides away from them. Alone she senses there is someone else who wants her and certainly he is not of this world. A 200 year old Dracula escapes from a crate and reveals himself to Leila and tells her that she is his lost love. For him to live again and be with her, she must bring him the blood of her friends to drink and make love to him. Hypnotized by his sexual powers, Leila does as she is told. Leila and a handsome young Dracula get away and live happily ever after.

While under a hypnotic spell, Alfalfa thinks he's one of the Three Musketeers and challenges Butch to a duel.