Day of the Living Gelatin!/Elementary, My Dear Stacy - S2-E6
Continuity mistake: In "Day of the Living Gelatin" when you first see the TV in Perry's lair, the letters MM are visible on Monogram's jacket. In the close-up they are gone. (00:04:40)
Interview with a Platypus/Tip of the Day - S2-E7
Factual error: When they exit the London Eye, it stops. In real life, it does not.
Don't Even Blink/Chez Platypus - S2-E8
Continuity mistake: In the episode "Don't Even Blink", during the song segment, Phineas changes from playing the guitar lefty and righty several times.
Invasion of the Ferb Snatcher/Ain't No Kiddie Ride - S2-E28
Character mistake: In 'Ain't No Kiddie Ride' Carl reminds Major Monogram that he has no sense of smell and that he was born without nostrils noting it on his resume. But in 'Brain Dead' when Major Monogram sees Perry wearing a face mask he points out that Carl is also a germaphobe. Carl corrects him saying "It's not the germs sir, it's the garlic smell." He wouldn't be able to smell anything since he has no nostrils. (01:10:00 - 01:35:00)
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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