Sing It Louder!!-A-Rooney - S4-E4
Revealing mistake: When Falcon puts on the first Parker Pack, he reacts as if his feet are being burned, but there's only a cloud of smoke in the next shot - a close-up on his shoes.
Revealing mistake: When the house starts to shake and collapse the picture frames on the table don't move an inch, revealing that it's just the camera shaking.