The Ghostbusters drive back to the firehouse, very quickly because Peter has a date. When they arrive, Peter looks for his shirt, only to find that Slimer has gotten ectoplasm on it. Ray lets him borrow his shirt, and Peter accepts, despite disliking the shirt.
Peter meets his date, Dr. Doris Tibbs, and discusses places to go. However, Doris reveals that she's already booked tickets for a showing of a tapestry called the "Genevieve Tapestry" at a museum. Peter doesn't want to go, but caves in, and to his annoyance, Slimer tags along. With a few minutes before the unveiling of the tapestry, Peter and Doris look at unicorn tapestries and Slimer continues to annoy Peter.
A museum official named Steve Jennings, who knows Doris, rubs Peter up the wrong way for dismissing the Ghostbusters business as "nonsense". Then, Steve unveils the Genevieve Tapestry, which depicts a woman who looks oddly like Doris. A painting of knights then comes to life and the leader introduces himself as Sir Bruce Sans Pitie. He declares he's free of "Merlin's curse" and thinks Doris is Genevieve, who he's in love with. Sir Bruce and his men then kidnap Doris, "awaken" (read: bring to life) some other statues, paintings, and tapestries, and turn the museum into a castle.
The other Ghostbusters show up, and Egon determines that if these changes aren't reversed soon, they'll be permanent. Peter blames Steve for the trouble. Meanwhile, Sir Bruce is waiting on Doris, still insisting she's a cursed Genevieve, as the Genevieve Tapestry changes. She calls out for Peter, and then Ray and Egon realise that if they don't hurry, she will replace Genevieve on the tapestry. They also determine that they cannot trap Sir Bruce because of the curse he mentioned.
Luckily, Egon also determines that the curse is tied to the moon (since the chaos only started when the tapestry was unveiled on a full moon), and so he and Ray think that if they can just keep Sir Bruce busy until dawn, they can trap him then. They sneak in and try to sneak past Sir Bruce's men, but then Slimer gets distracted by food, and Ray accidentally gets the baddies' attention by signalling to him and they're chased by ghosts and unicorns.
Doris is now starting to become Genevieve, and Peter grabs her and runs. Ray and Winston arrive, riding unicorns and being chased by the knights. Sir Bruce then realises it's almost daytime, so he runs inside to avoid being shot at by the Ghostbusters. Peter then dresses as Merlin, scaring Sir Bruce outside and allowing him to be trapped. Once Sir Bruce is trapped, all of the artworks become inanimate again, and Doris goes back to normal with no memory of having been Genevieve.
This episode provides examples of
- All Myths Are True: Merlin is revealed to exist.
- Animate Inanimate Object: Invoked when Sir Bruce's men make statues come to life.
- Baby Talk: Peter calls himself "little Petey" when trying to call Slimer.
- Bannister Slide: Peter slides down the bannister as he's searching for a shirt to wear.
- Batman Gambit: Peter does two:
- First, he coaxes Slimer out by pretending he's heard the ice cream truck.
- Then, he tricks Sir Bruce into running outside by pretending to be Merlin.
- Blatant Lies: Peter tries to save face when told not to touch a statue by claiming he's smoothing out a wrinkle, despite the fact that statues don't wrinkle.
- Captain Obvious: When Sir Bruce's lackeys throw food at Ray, he says, "I think they've noticed us!" Peter responds, "No kidding, Ray!".
- Creepy Changing Painting: The Genevieve Tapestry shifting is the first sign Doris is in danger of being absorbed into it.
- Curse: Sir Bruce was cursed by Merlin to be trapped in the tapestry until it was unveiled on a full moon.
- Damsel in Distress: Doris is kidnapped and put in danger of being trapped in a tapestry.
- Death Glare: Peter gives Steve a dirty look for calling the Ghostbusters "nonsense".
- Doomy Dooms of Doom: When Sir Bruce, just before being trapped, says he's doomed, Peter sings, "Doomed doomed doomed doomed".
- Dropped Glasses: When Sir Bruce mistakes Doris for Genevieve, he picks her up with such force her hair comes undone and her glasses fall off. She never complains about losing them or her eyesight being terrible without them. At the end she is back to normal and is placed back into her normal clothes, but is never given her glasses back and again never complains about her eye sight being terrible. Her only concern is The Genevieve Tapestry. Maybe they got broken when stepped on or accidently kicked out of the building during the chaos of Sir Bruce's arival.
- Drives Like Crazy: According to Winston, Peter always drives erratically when he's late for a date.
- Ectoplasm: Played for Laughs when Slimer enrages Peter by covering his shirt in gunk moments before a date.
- Edible Ammunition: When the bad guys notice Ray, they throw food at him.
- Evil Laugh: Sir Bruce does several evil chuckles.
- Evil Redhead: Sir Bruce threatens to trap Genevieve in a tapestry, and he has a red beard.
- Glowing Eyes of Doom: The statues' eyes glow when they first come to life.
- The Hyena: Sir Bruce often bursts into devilish laughter.
- I Will Show You X!: When mad at Steve, Peter says, "'Ghostbusters nonsense'?! I'll show him Ghostbusters nonsense!".
- Mistaken Identity: Sir Bruce is certain that Doris is Genevieve.
- Museum of Boredom: Peter thinks going to a museum on a date is lame.
- Oh, Crap!: Sir Bruce yells in fear as he's being trapped.
- One-Liner: When Sir Bruce threatens Peter with a sword by saying, "Eat steel!", Peter responds that he's on a "low-steel diet".
- The Scapegoat: Peter blames Steve for the whole mess, since he was the one who unveiled the tapestry. While this did free Sir Bruce, he had no clue it would do that.
- Sealed Evil in a Can: The curse confines the evil spirits to the Genevieve Tapestry unless it's unveiled on a full moon.
- Simple Solution Won't Work: Due to the curse protecting Sir Bruce and his people until dawn, the Ghostbusters can't trap them right away; they need to wait.
- Terms of Endangerment: Peter insults Slimer by calling him his "little green friend".'
- Time Travel: Sir Bruce tries to travel back to his time.
- Unicorn: Two tapestries depicting white unicorns with manes that stand up on their own come to life, which Ray and Winston ride.
- Unwitting Instigator of Doom: Steve accidentally frees Sir Bruce and co. by unveiling the Genevieve Tapestry during a full moon.
- Weaksauce Weakness: All it takes is the sun coming up to allow Sir Bruce to be trapped.
