Continuity mistake: When Jesse and Becky first arrive at the Fuller house, in the closeup Becky's left hand is holding out the duffel bag (similar pattern color on her shirt) in front of her, as she and Jesse poke their heads through the doorway, but in the next wideshot it's her right hand holding out her black and white suitcase in front of her.
What We Owe to Each Other - S1-E6
Visible crew/equipment: You can see a crew member hand Janet a stack of papers behind her back.
Episode #1.3 - S1-E3
Continuity mistake: In the cafe before Martin cries "Help me!" he holds two sandwiches in his left hand. A shot later one is suddenly in his right hand.