Continuity mistake: In the episode "Greece Lightning" the veins in the eyes of the Candace mobile disappear and reappear when Candace is rolling down the hill.
Continuity mistake: In the episode 'One Good Scare Ought To Do It', when Phineas is carried into the air inside the haunted house, there is an aerial shot showing the Fireside Girls and Isabella, who is wearing a yellow sash like the other scouts as she shouts, "Phineas!" There are two problems here. First, Isabella wasn't wearing the sash before at the haunted house, until this particular shot. Also, between the shots before Phineas falls, her sash disappears, reappears and then disappears again. It reappears after Phineas falls, and Isabella says, "Quick, everyone! Sashes!"
Continuity mistake: In the episode "One Good Scare Ought to Do It", Candace arrives at Jeremy's house and is wearing a belt. (It's very clear as she yells "These are designer jeans!") After Susie's attacks, when Jeremy comes out Candace is on the ground with the dog still attached to her rear end and the belt has disappeared. In the next shot of Candace, the belt has returned.
Continuity mistake: In the episode "Don't Even Blink", during the song segment, Phineas changes from playing the guitar lefty and righty several times.
Continuity mistake: In the episode "One Scare Ought To Do It," when the haunted house comes back, it is stuck to the Disinvaporator. The clock says 5 seconds left, but when it cuts to the closer shot of the clock, it lost 3 seconds, which means that 2 seconds are left.
Continuity mistake: One of Ferb's eyes is egg-shaped while the other is normal. Whenever he turns his head, the egg-shaped eye is always furthest away.
Continuity mistake: The crane that is behind the tree has a rope attached to it, but when Isabella comes the rope disappears.
Continuity mistake: Candace mentions that Jeremy works at Mr. Slushy Burger, but in later episodes is shown at Mr. Slushy Dawg. Afterwards, it was changed back to Mr. Slushy Burger.
Continuity mistake: When the "arms" take Perry's hands and feet. The "arms" came from the front of Perry, but in the next shot they've come from behind him.
Flop Starz - S1-E3
Continuity mistake: During the flashback to when Linda was Lindana, a mark can be seen on her right cheek but in the shot of her in the elevator and the newspaper saying she's back, no mark is visible. Also, her hair bow is on the wrong side.
Candace Loses Her Head - S1-E7
Continuity mistake: At the starting of the episode when Phineas wakes up you can see right next to him there are two pillows on his bed but when he sees the calendar and is about to throw the pillow on Ferb you can see that there is only one pillow.
Continuity mistake: Candace's neck is being measured in length for the fashion show, and an assistant is using measuring tape very close to her. In the next shot, he has completely vanished.
Continuity mistake: When Phineas, Ferb, and Candace go to the stairs, the door has 'stairwell' written on it. Then, when the bubblegum case falls, before it goes through the door, it reads 'stairs', but once the door is open, it's back to 'stairwell' again.
Continuity mistake: In the scene where Doofensmirtz talks about how the sign blocks his view of other people's pain and misery, his window faces the sign. Then in the next shot where the laser blasts the sign, the Doofensmirtz evil inc. logo is facing the brick sign and the windows are facing the other way.
Continuity mistake: During the "Busted" song, the machine Dr. Doofinshmirtz is building is dark-grey and green. However, later in the episode the same machine is light-grey and blue.
Continuity mistake: When Perry is in the cage up in the air, the cage is being held up by a really thick metal wire, but when Charlene Doofinshmirtz (Vanessa's mom) lets Perry out of the cage the wire looks like dental floss.
Continuity mistake: When Dr Doofenshmirtz falls into the toy factory he goes crazy because he sees so many Perrys. Look at the Perry toy beside him first - the toy's foot points up, but in the next shot its foot is on the ground.
Continuity mistake: After the "Har D Har" commercial, the man puts the remote on the table, but in the next shot it's gone.
Dude, We're Gettin' the Band Back Together! (Part 1 & 2) - S1-E22
Continuity mistake: During the song at the end, there is a zoomed out shot of the entire crowd. You can see Phineas and Candace both screaming with their hands in the air, their eyes closed, and Phineas is not holding a camera. When the camera instantly cuts to a close up of them, both of them have their mouths closed, their hands down, their eyes open, and Phineas is holding a camera.
Dude, We're Gettin' the Band Back Together! (Part 1 & 2) - S1-E22
Continuity mistake: When Perry is tied to the firecracker he uses a laser watch to burn himself free, but in the next shot it's gone.
Answer: "One boring day, Phineas recognizes an important truth; Summer vacation will end, and the teachers will want to know what they did on their summer vacation. And with these two kids, it has to be something extravagant..."http://uk.imdb.com/title/tt0852863/.
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