This episode marks the series debut of Suzy Johnson and the first instance where main characters interact with the recurring Giant Floating Baby Head .
In the Phineas and Ferb episode "[S1E9] One Good Scare Ought to Do It!", Phineas and Ferb build the ultimate haunted house to cure Isabella of an extreme case of hiccups. This episode is unique for being a double-length (21-minute) special that originally premiered as a "never-before-seen" bonus on The Fast and the Phineas DVD before airing on Disney Channel in October 2008. Plot Summary
Fans often highlight this as one of the standout episodes of the first season due to its pacing and character interactions.
The haunted house includes numerous nods to horror classics, including The Haunted Mansion , Alien , and Danny Elfman's musical style.
