Continuity mistake: In Tabitha's room in an early scene, Tabitha for some reason is in her play pen in her bedroom rather than her crib as usual. Later, the crib is back when Darrin is securing her toys in the locked toy chest.
Double, Double, Toil and Trouble - S4-E4
Continuity mistake: The laundry room is far too large to fit into the space it appears to occupy beside the Stephens' kitchen. (00:04:50)
Birdies, Bogies, and Baxter - S4-E7
Continuity mistake: When at the country club table the swimmers in the background change from shot to shot.
Samantha's Thanksgiving to Remember - S4-E12
Continuity mistake: When Darrin is at the table with Phineas and John Alden the turkey changes positions. The legs are pointed towards Phineas then in side shot turns away then back.
Samantha's Thanksgiving to Remember - S4-E12
Continuity mistake: When Clara arrives and Samantha zaps her clothes on, Clara's hands and arms change positions between various shots.
Samantha's Thanksgiving to Remember - S4-E12
Continuity mistake: At the trial, the gavel changed positions between shots, you can see it moving forward and back in relation to the book. Also, the quill appears to change.
I Get Your Nanny, You Get My Goat - S4-E15
Continuity mistake: In the opening scene, Tabitha's drum stick is big then small and later, when Elspith enters, the food changes/disappears.
Hippie, Hippie, Hooray - S4-E21
Continuity mistake: In season 4 episode 10 (That Was No Chick, That Was My Wife) Louise and Larry met Serena when Sam was explaining why she was home and not Chicago. Then in this episode neither Larry nor Louise know about Serena.
How Green Was My Grass - S4-E24
Continuity mistake: Before this episode (and after as well) Darrin and Samantha give their address as 1164 Morning Glory Circle, however in this episode, when Darrin slams the door, the '9' in 192 on their address spins around to make 162, hence the angry neighbor at 162 saying that his grass was installed at the Stevens' by mistake.
Continuity mistake: The amount of toys on the floor suddenly increases as Michael's mother heads to the front door. (00:06:45)
Continuity mistake: Uncle Arthur telling Darrin that a charm that he is being given is going to protect him. However, his pistol has managed to go right through Darrin and into the wall in the background. Then, the next frame, the shots are on his pocket. (00:10:22 - 00:11:00)
Answer: Larry had been telling Darrin what it means psychologically that Samantha gave the coat away. Larry said giving it away meant she's happy being married but if she liked the coat it means she desires to be single and carefree. So when Darrin sees the coat, he immediately thinks Samantha doesn't want to be married and the fact that she twitched it means (in his mind) she wants to be a single, carefree witch again.
Bishop73