Revealing mistake: When Josh lets go of the gutter and falls on Walter's boss, if you look closely and watch as Josh falls on top of him, it's a dummy in Josh's clothes. The dummy is much lighter than Josh was at the time and its ankle twists backward.
Revealing mistake: When Josh tries to be cool, when he leans against the wall with wet paint on it and gets paint all over his shirt it is clear that he is not actually leaning against the wall. This is especially noticeable the second time he does it.
Revealing mistake: When Josh is locking up the nuts in a silver tin, Drake asks for some nuts and Josh can't open it, It is quite clear at this point that Josh is holding the top of the tin so he can't open it.
Revealing mistake: In the scene where Jerry cuts the little girl's pigtail off, it is obvious she is wearing a wig.
The Peruvian Puff Pepper - S3-E2
Revealing mistake: In the scene where Megan puts the stuff in the salsa and stirs it with the spoon, she takes it out and it is clean, then Josh stirs it again and the spoon comes out clean again.
Revealing mistake: When Josh says "I do not look good in pink panties" in the intro, he looks down below the camera at what we can assume is a script. He also cracks the tiniest smile near the cut, which is breaking character, as he was angry in that moment.
Revealing mistake: When they are in the hospital and Drake says "We'll go now," right before he says that, the guard on the left side of the door from the view shown flashes a small grin.
Revealing mistake: When Josh is telling Drake that Mindy told him she loves him and when Josh slaps Drake near the end of the scene, it is really obvious that Josh is slapping air. His hand is at least 6 inches away from Drake's head and yet they play the sound effect for a slap.
Chosen answer: Well, she is the most liked sibling, so she can probably get more out of her parents, or get money from both of them without the other knowing, or as we saw in the Gary Grills episode she can get money from people easily by telling them all sorts of stuff.