Ep 39. Rollercoaster: The Musical!

In Phineas and Ferb season 2 episode 39, titled "Rollercoaster: The Musical!", the stepbrothers, Phineas and Ferb, set out to create the greatest ride ever - a rollercoaster. However, this time, they decide to make it a musical experience as well, much to the excitement of their friends, Candace, Jeremy, and Isabella.

The episode begins with Phineas and Ferb brainstorming their latest invention in their backyard. They settle on building a rollercoaster, but not just any rollercoaster - a singing, dancing, musical rollercoaster. Their sister, Candace, is skeptical of their latest endeavor and decides to call their mom to bust them before they can finish.

Meanwhile, in an effort to impress Isabella, Phineas decides to make her the star of the show - the rollercoaster's leading lady. Candace, still determined to get her brothers in trouble, enlists the help of Jeremy, her crush, and together they set out to find their mom.

As the rollercoaster begins to take shape, the kids start to add in more and more musical numbers and dance routines. The group even manages to convince Dr. Doofenshmirtz, Phineas and Ferb's resident nemesis, to join in on the fun.

As the day of the big reveal approaches, Candace and Jeremy continue their mission to find their mom, only to be thwarted at every turn. Meanwhile, the rollercoaster is finally complete and the group takes their seats to ride it for the first time. The musical aspect of the ride is a hit, wowing all of the riders and making Candace forget about her mission to get her brothers in trouble.

In the end, the group decides to put on a performance of the rollercoaster musical for their mom and the rest of the town. The show is a success, and even Candace manages to join in on the fun. The episode ends with the group looking forward to their next big adventure.