Continuity mistake: When Laurie comforts Amy after Beth's passing, he first approaches her then stops and looks ahead. They then hug but somehow he is now facing her without turning. (01:43:30)
Continuity mistake: Laurie's scarf changes position when he tells Amy about the opera that he's writing. It happens again when he proposes. (01:14:10 - 01:15:50)
Continuity mistake: When Jo gets her sisters to accept Laurie into their club, Amy reluctantly raises her hand. In the wide shot, her hand is being raised by Beth. (00:42:12)
Continuity mistake: Amy throws her shoe at Jo for leaving her at home while she and Meg go to the theatre. She picks it up, but in the next shot, she is no longer holding anything. (00:45:43)
Continuity mistake: When Jo proposes to her sisters that they admit Laurie into their club, her pose changes between shots. (00:41:49)
Continuity mistake: When Laurie walks away from Amy after she tells him to get a job, Amy has her hands at the center of her sketch pad, but they are at the edges in the next shot. (01:14:30)