In a flashback, Buford is shown to have stolen Phineas' bike when they were both barely able to talk, but in "Voyage to the Bottom of Buford", we learned that Buford became a bully when he was forced to protect his pet goldfish, Biff.
This episode shows that Stacy has many cousins in Tokyo, Japan.
When in Japan, Phineas, Ferb and the gang start to do the Caramelldansen, a looping flash animation showing anime characters Mai and Mii from the Japanese visual novel Popotan.
While on Mount Everest, Vanessa asks Candace what Ferb is short for and Candace says "I have no idea". This refers to the episode Vanessassary Roughness, where Ferb had mentioned to Vanessa his name was short for something, but was interrupted.
We learn Ferb can speak Japanese and Buford can speak French.
The slingshot the kids use to get back to the Tri-State area is a likely reference to a previous short, Swiss Family Phineas, where Candace suggests, "Why don't you build a giant slingshot and fling us back to the mainland?" and Phineas replies, "Not bad. Mind if we use that someday?"
We finally see Phineas do two things he doesn't normally do; get angry at someone, and go crazy on the deserted island.
It's established that Buford stole everyone's bikes. If you look closely, you can see some missing bike posters throughout the episode. A "Missing Bike - Call Rob" sign appears in China on a pole in the foreground as the plane bounces through a street scene. A "Stolen Bike - Call Rob" sign appears in Paris on the pole next to Candace when she first sees Jeremy. Whoever Rob is, he sure gets around!
Jeremy and Candace share their first kiss in this episode.
Goof: When the group passes a ship in the Atlantic Ocean, one sailor says he sees 5 kids on a baguette boat. However, there were 6 occupants.
Goof: When Isabella is looking at the sun setting, it is partially under the horizon. Then when Phineas comes, you can visibly see the bottom edge of the sun rise up above the horizon again, before rising away from the horizon line when they are about to launch.
Goof: When Phineas and Isabella run onto the stage during the song "Summer Belongs to You" Phineas runs to the second mike and Isabella to the third, yet in the next shot Phineas is now at the first microphone, Isabella at the second, and Ferb at the third.
Isabella: Phineas, what are you doing? You're putting your entire world view on the line. And for what? A bunch of bikes?
Buford: And a bug!
Chaka Kahn: (bursts through fence in Ferb's outfit singing along with Clay Aiken) I believe....I believe we can! That's the measure of a man...
Phineas: (to Ferb) Chaka Kahn. Nice!
Phineas: Hey, Ferb. Where's Vanessa?
Ferb: She went off with someone else.
Phineas: That's too bad. I thought the two of you...You know, a boy, a girl, alone, in the City of Love. I thought romance was a foregone conclusion. (Isabella becomes increasingly angry to the point of crushing her pencil) Isabella, did you say something?
Isabella: I need a new pencil.
Isabella: (about Candace nearly kissing Jeremy) Don't worry, Candace. The week will be over before you know it. At least you got a love scene on a bridge.
Buford: Love is a canvas furnished by nature and embroidered by the imagination.
Baljeet: Voltaire, Buford? Really?
Buford: Oh, I can't help it. Paris does it to me every time.
Isabella: (about Phineas' unexpected pessimism) That's not the Phineas Flynn I fell in- (stops herself) -to this particular situation with!
(After the kids fold Ferb's map into a giant paper airplane)
Candace: Phineas, it's made of paper!
Phineas: So is the Declaration of Independence.
Candace: Yeah, but it wouldn't fly over 2000 miles of water!
Candace: Okay, I missed one musical duet between Clay Aiken and Chaka Khan, so could we please stop using that as a reference!
Baljeet: It was very inspirational.
Phineas: (to Candace about bikes) There's one right there!
Candace: Phineas, there's no way I'm getting on this silly, little tricycle!
Phineas: Candace, we're in a hurry. Just get on the tricycle and...
Candace: There's no way I'm...
Phineas: GET ON THE TRIKE!!!
(Phineas and the gang make it back home)
Linda: Candace, so responsible. Not a single call about the boys.
Candace: Well, I didn't have international coverage.
This episode is done without any version of the opening theme song. It simply starts with a zoom-in on the show logo (colored in red) and the episode title, which is colored blue with a brief singing of said title.
The agency Major Monogram runs is called the O.W.C.A. (Organization Without a Cool Acronym)
Songs: I Believe We Can, JPOP (Welcome to Tokyo), Rubber Bands, Rubber Balls, Bouncin' Around The World, City of Love, Summer Belongs to You, Follow The Sun, and The Ballad of Klimpaloon.
Back to the Future
When the plane takes off from Danville, theme music from the 1985 time-travel comedy starring Michael J. Fox can be heard in the background.
When everyone is dancing in Japan, Isabella dances while holding a leek, which is a reference to Leekspin (A.K.A. Loituma Girl).
When Phineas is looking for something to use to escape the desert island, he finds a yellow sponge and a pink starfish. He says "Look! A sponge and a starfish! There must be something we can make out of this! Oh no! That's ridiculous!!" This is likely a direct reference to Spongebob and Patrick Star on the above-titled series that Dan Povenmire previously worked on as writer, director, and other roles.
E.T.: The Extra Terrestrial
The scene where Phineas, Ferb, Isabella, Buford, Baljeet, and Candace are flying over the neighborhood on bicycles is similar to the climatic scene from the hit 1982 film.
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