A dimensional crack opens near Times Square one night, and a little pink ghost comes out. It accidentally scares a cat, then a woman, then goes into a car. Two larger ghosts come through the crack and follow the car. Meanwhile, the Ghostbusters are asleep except for Egon (who's doing an experiment) and Peter (who was woken by Slimer). The phone rings, waking up Ray, and they answer the call.
They try to shoot the large ghosts, but miss, and then the car doesn't start. When Winston looks under the hood, he finds the little ghost in there. They try to shoot at it, but Slimer stops them. It is then revealed that it is a female ghost, and she is very young. Egon thinks that she is on the run from the other two ghosts, so they take her home and name her Spookums.
The Ghostbusters then leave to deal with the larger ghosts attacking a car wash, while Janine is left in charge of Spookums. When she knocks over some crates, Janine thinks Slimer did it and doesn't believe him when he tells her it was Spookums. Meanwhile, the Ghostbusters again fail to trap the two big ghosts and accidentally zap their car instead. Spookums scares Slimer, causing him to make a mess in the fridge, and Janine thinks he did it on purpose. Finally, the Ghostbusters manage to trap the big ghosts, but Slimer tells Spookums off, causing her to run away.
The Ghostbusters arrive home, but then Slimer determines from the way the trapped ghosts are wailing that they are the parents of Spookums, so they agree to release them. They let them out and Egon determines that they are from another dimension, which was opened by a lunar eclipse. Egon and Winston look for the dimensional crack, while Ray, Peter, Slimer, and the parents (borrowing Janine's car) search for Spookums.
Slimer finds her in an alley and (after Spookums kisses Slimer goodbye), they go through the crack as it's closing.
This episode provides examples of
- Baby Talk:
- Janine talks affectionately to Spookums.
- Spookums calls her parents "mama" and "dada".
- Big Eater: Just like Slimer, Spookums has a big appetite, as shown when she scarfs down many cookies.
- Blowing a Raspberry: Slimer blows a raspberry at Spookums when he's frustrated with her.
- Covered in Gunge: When Slimer lands in the fridge, he gets covered in food.
- Death of a Child: Implied. Spookums is a ghost and appears to be a baby.
- Ectoplasm:
- Slimer gets gunk on Peter's pillow when he tries to sleep in it.
- Then, he gets slime all over the kitchen when flying away from Spookums.
- Spookums's parents leave ectoplasm at one point.
- Slimer gets slime on Peter at the end of the episode.
- Embarrassing Nickname: Egon names Spookums after one of his mother's nicknames for him, but he blushes when explaining about the nickname.
- Lost Food Grievance: Slimer sulks when the cookies are given to Spookums instead of him.
- Monster Is a Mommy: It turns out that the big ghosts were only attacking the city and chasing Spookums because they were her parents.
- Mythology Gag: Ray says, "We got one!", which is what Janine says in the movie, and then later calls Spookums a "spud-ette" as a reference to calling Slimer a spud in the movie.
- Nose Nuggets: At the end, Peter holds up some ectoplasm and asks if someone sneezed.
- Not So Stoic: Egon blushes when explaining about his Embarrassing Nickname.
- Platonic Kissing: Spookums kisses Slimer goodbye.
- Prone to Tears: Spookums cries a lot.
- Reports of My Death Were Greatly Exaggerated: When Peter refers to the damage to the car as a "casualty", Janine initially thinks this means Egon's dead.
- Sweet Tooth: Spookums eats many cookies.
- Tertiary Sexual Characteristics: Both of the female ghosts have eyelashes, while Spookums's dad doesn't.
- Unnamed Parent: Spookums's parents are unnamed.
- Why Did It Have to Be Snakes?: Implied. Slimer has a night light, implying he's afraid of the dark.
