Episode #1.1 - S1-E1
Continuity mistake: When Sidney is having his hair cut, the barber in the background starts to opens his newspaper. A shot later, from a different angle, he is reading still.
Fresh-Like - S3-E4
Continuity mistake: Issa and Nathan both jump into a swimming pool and are shown going completely under water but in the closeups when shown talking their faces and hair are completely dry. (00:22:00)
Continuity mistake: When the Man in Black wakes up with a noose around his neck, there are only 4 distinct loops in the hangman's knot. A few seconds later, he cuts the rope and collapses to the ground, and there are now 6 distinct loops in the hangman's knot.
Continuity mistake: When Andrew and Ted are outside drinking beer, Andrew's beer bottle flips around in his hand between shots when he's sitting down.
Just the Right Distance From the Sun / Solar Power Rover - S1-E3
Continuity mistake: In "Solar Power Rover", when they open the gate to DSA, the lock switches sides.
Continuity mistake: Christian is wearing a blue polo shirt, standing outside the luxury van in which Letty and Javier are being held captive. When he gets in the van, from that point on he is wearing a tan jacket over his shirt.
Continuity mistake: Russell is beat up by his neighbor and his mouth, cheek and chin are smeared with blood. In the next closeup, Russell only has blood on his upper lip and cheek, not on his chin, and then the blood is back on his mouth, cheek and chin. (00:29:00 - 00:30:00)
Continuity mistake: When Foster and his goons are at Asa's place and Asa is walking towards the door, he has already thrown the stick that he was fiddling with his toenails with down, and has both hands in his pockets. Shortly afterwards he has the stick back in his hand at the door.
Lost & Found - S1-E2
Continuity mistake: The way the shower curtain is draped over Todd's shoulder changes throughout the scene when he and Dirk are by the dumpster.