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Other mistake: In the first scene, they skid around a corner; there are many other skid marks on the same corner. I imagine the drivers had to repeat the recording several times.

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Revealing mistake: In the first scene, they skid around a corner; there are many other skid marks on the same corner from previous takes.

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Invasion of the Punk Frogs - S2-E8

Stupidity: Shredder uses a holographic projector to appear as a normal person. He could have just taken off his armor.

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Invasion of the Punk Frogs - S2-E8

Plot hole: Shredder meets the frogs for the first time and gives them clothes using the holographic projector. The frogs continue to wear the same clothes for the rest of the episode, even without Shredder being around.

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New York's Shiniest - S2-E10

Continuity mistake: The turtle van falls on a bridge, the turtles escape swimming. Shortly afterwards, April appears driving the van, looking for the turtles.

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