Artist Linda McGuire (Laraine Newman) lives alone in an old house in the country, where she's harassed by local peeping tom Ritzen (Terrence Evans).
The story they come up with centers on Herbert Waverly, the former owner of the house, who was hacked up by his lover's jealous husband and thrown into the swamp, and returns from the dead at midnight to kill anyone who he finds trespassing in his home.
Things become deadly when the group accidentally conjure up the actual Herbert Waverly (Tom Woodruff Jr.), forcing the kids to finish the story before he kills them all.
With Fiona's son Ian (Brandon Bluhm) in the apartment while the conjuring goes on, Rose unlearned in the magical arts, and the wisecracking Belphamelech briefly turning traitor, the summoning of Dramon start to go wrong.
In a morbid twist on a classic joke, Ma (Bobo Lewis) and Pa (George Hall) allow Howard Filby (Soupy Sales), an aging Bible salesman, into their home when he crashes his car during a terrible thunderstorm.
Jack then meets beautiful Ann Spiros (Gina Gershon) and her loutish but wealthy husband George (Ed Kovens), and is immediately attracted to her.
A greedy extraterrestrial sorcerer named Arturus (Richard Moll) attempts to summon a demon that he will command to bring him gold (or "drast" as he calls it).
By repeating the same mistake Arturus made, Arthur manages to summon another dimensional counterpart, a meticulous and neurotic demon named Arturo (Eddie Deezen).
Danny (Patrick Breen) is a sleazy, womanizing museum curator who is cheating on his fiancé Edwina (Sarah Trigger) with a café waitress named Cheryl (Louise Roberts).
To make matters worse, Danny accidentally awakens the mummified corpse of a 3,000-year-old Druid priestess (Pamela Dean Kelly) when he exposes it to a bloody handkerchief.
She was previously rejected by her lover in the past, and enlists the women's help to regain her youth and seek vengeance on all male lotharios, starting with Danny.
Young Roy Barton (Robert Oliveri) is bossed around by his abusive mother (Kate McGregor-Stewart) and his loathsome teenage sister Barbie (Danielle Ferland).
He finds a prize in a cereal box that "grows" into a wisecracking amphibious creature that calls itself Swlabr (voiced by Rockets Redglare) when it is submerged in water.
Dr. Rathmore (Barry Nelson) is the maniacal supervisor of an obscure but essential unit of the subway system of a major city, which he operates from an underground office.
His men - Jensen (Rick Goldman), Luchinsky (Calvin Levels), and Watson (Jan Munroe) - while repairing the audio and video cameras in the subway tunnels, come under siege by a race of mysterious, subterranean, yeti-like creatures that feed on human flesh.
After enduring car trouble, Ellen (Karen Sillas) stays with her sister May (Juliette Kirth) in the broken-down, bug-infested cabin that their late father once lived in.
During the Vietnam War, US Marines Sergeant Kenner (Ahmad Rashad) and Corporal Torres (Antone Pagán), aided by a South Vietnamese lieutenant (Glenn Kubota), blast their way into an underground bunker operated by the Viet Cong.
In a soap-opera parody, Victoria (Karen Valentine) and Edward (George Reinholt) are a married couple of morally bankrupt surgeons who are practicing a new form of experimental surgery.
Billy "Hunk" Hunkle (John Schiappa), Victoria's musclebound, dim-witted, soldier of fortune lover, returns after seven years in the jungle.
On a stormy night in New England, Howard (Richard Clarke) and Fredrick (Matt Hulswit), a respective doctor and veteran, are waiting out the storm by playing chess.
Miraculously still able to walk and talk, Wells tells Fredrick and Howard that he was attacked and had his brain eaten by an alien from outer space, having witnessed a spacecraft wreathed in light landing in a nearby town.
Howard "Howie" Mitla (Tom Noonan) is an accountant and television addict who has a particular fondness for quiz shows, always getting the correct answers before the contestants.