Phineas discovers Isabella has the hiccups and decides to help cure her by building a haunted house.
Meanwhile, Candace goes to visit Jeremy but Suzy makes her visit a nightmare.
During the events above, Dr. Doofenshmirtz tries to destroy his mentor's hideout because the mentor asked him to do it.
- Arson, Murder, and Jaywalking:
- Haunted House: Phineas and Ferb made one to try and scare Isabella's hiccups away.
- Hiccup Hijinks: Isabellas problem for the episode.
- Not What It Looks Like: Every time Candace tries to show Linda the haunted house, it's gone and only Baljeet is there, making Linda think Candace is insulting him.