"You know, Ferb? One of the best times we ever had was when we built that rollercoaster. We should do it again! But this time, as a musical!"On a day very similar to the very first episode, the not-quite-as-snarky-anymore Phineas remarks that one of the best times they ever had was when they built that rollercoaster, so he decides to do it again, as a musical! Meanwhile, Doctor Doofenshmirtz tries his tin-foil scheme again, believing that it originally failed because he wasn't using one of his signature Inators.
This Episode Contains Example Of:
- Backstory of the Day: Subverted. When telling Perry about his second attempt to change the planet's rotation with tin foil and a giant magnet, he adds, "I know you're probably expecting some tragic back story, explaining why I want to reverse the rotation of the Earth. But I'm not gonna go there." He proceeds to sing a Villain Song about how he won't let his Hilariously Abusive Childhood affect his intent to cause mass hysteria For the Evulz.
- Exhausted Eye Bags: Isabella has these for a moment, upon asking Phineas if he's sure the ride is safe.
- Failed a Spot Check: As per the original, when Candace and Linda look into the backyard at the end, neither of them notice the coaster train in the flaming tree, right above them.
- Freeze-Frame Bonus: While Candace and Linda are in the parking lot leaving the supermarket, the two future Candaces can be seen watching them from behind a car.
- Leaning on the Fourth Wall: Basically Phineas' idea for the episode:Phineas: Whaddya say? We'll do all the same things, except we'll break into spontaneous singing and choreography with no discernible music source.
Ferb: Hmm...what assurance would we have that everyone else will also break into song and do the same thing?
Phineas: I don't know. I think they probably will.
Ferb: Fair enough. I'm in.
- List Song: "Mom Look" has Candace list off several of the inventions the boys made.
- Musical Episode: This episode is a full musical episode based off the plot of the first episode, where most of the catch-phrases and running gags get their own songs.
- Musicalis Interruptus: A Running Gag with Major Monogram trying sing a sad song about his job, only for it to get cut short. After the first two times this happens, he is understandably reluctant to sing it again. Carl encourages him to try one more time, only for him to get interrupted for the third time by the Disney Channel logo.
- Series Continuity Error:
- Candace says Phineas and Ferb "built a rollercoaster twice" at the end of "Mom Look", but they've also built rollercoasters in "Fireside Girl Jamboree" and "Phineas and Ferb-Busters!".
- Isabella says in the "What'cha Doin'" song "Everyday I come over," when there are a few episodes where Isabella is absent.
- Candace mentioned in Mom Look that the boys made it winter in June, but in SWinter, Phineas says its July.
- Sequel Episode: To the very first episode "Rollercoaster". It's basically a re-telling of such as a musical.
- Shout-Out: During "Hey Ferb", a montage plays that consists of the duo taking part in various musicals including Cats, The Phantom of the Opera, Oklahoma!, Singin' in the Rain, Fiddler on the Roof, West Side Story, The Music Man, Les Misérables, The King and I, Chicago and Cabaret.
- Stealth Hi/Bye: As with the original. Candace looks into the backyard and sees nothing there as she expected, but when Linda takes a peek, Phineas and Ferb are suddenly there.
- Stock Footage: Much of the episode uses the same footage from "Rollercoaster" — this is most obvious with the rollercoaster scenes as Phineas and Ferb's passengers constantly switch from Isabella, Buford, Baljeet and the Fireside Girls to the multiple boys who rode the first rollercoaster.
- Tempting Fate: Unlike the past episode, Isabella isn't sure this rollercoaster is safe - but Phineas declines. Seems her thoughts turn out to be true.