The opening titles feature short clips from cult films or television shows, edited together with clips from the early seasons of the TV series. These include, in order of appearance:
Three women fighting a giant turtle: From One Million Years BC (1966)
Grinning anime boy in rain: Shiogami from anime Nazca
The monster rising out of the ocean is the Kraken: From Clash of the Titans (1981)
Woman being held above a nest of hungry pterodactyl: From One Million Years BC (1966)
Anime guy skateboarding: From the anime Nazca
Mud-monster grabbing a woman as she kisses a man: From Creature From The Haunted Sea (1961)
Man ski-jumping while ignited in flames:From Thrill Seekers
Wrestling match: Canadian Bret Hart wrestling Canadian Chris Benoit (locking him in his finishing move, The Sharpshooter), during the WCW World Heavyweight Championship Match at WCW Mayhem PPV in Toronto, Ontario, Canada.
Man attacking giant brain with an axe: From The Brain from Planet Arous
Boxer knocking out referee: Cuban Pedro Cardenas fighting Canadian Willie DeWitt but accidentally KO'd referee Bert Lowes instead, during the 1982 North American Championships in Las Vegas.