Keep the Home Fries Burning - S2-E14
Continuity mistake: When Andy and Kelso fight, Andy's right hand is either next to Kelso's armpit or his collarbone. (00:20:12)
Keep the Home Fries Burning - S2-E14
Continuity mistake: When the sheriff sits down at the restaurant table, Jessica's hands swap from lying on the table to raised.
Visible crew/equipment: When Harry and Amos analyse the bathroom, the edge of the set wall is visible on the right side of the screen.
Programmed for Murder - S8-E18
Revealing mistake: In the outside shot of the hospital, just before Mort discusses his cough with Doc Hazlet, you can see a sign saying the hospital is located in Ohio, not in Maine. This isn't the only episode where this exact mistake is made.
Funeral at Fifty-Mile - S1-E22
Continuity mistake: Carl arrives at the funeral in his RV and then heads to the house. When he arrives, it's a noticeably different model. The door's moved, the front right window is now segmented, and rails have appeared on the roof.
Continuity mistake: When Jessica limps into Milton's car, she holds onto the door. A shot later, her hand is away, and it's Milton's hand instead holding onto the door.
Continuity mistake: When Jessica (a stunt double) is knocked down, her left arm is under her body with her bag in front. An instant cut later (now Angela Lansbury), her arm and bag are behind her back.
Continuity mistake: When Milton picks up Jessica at the airport, her bag is hanging over her right shoulder. A shot later, she is holding it with her left hand.
Continuity mistake: The pad where the knife is stabbed protrudes under the writer's shirt.
Revealing mistake: When Miguel tries to sail away, Jessica runs towards the shore. When she enters the water, Angela Lansbury is replaced with a thinner and younger double.
Revealing mistake: When Santana is killed, a rectangular pad where the arrow was stabbed protrudes under his shirt.
Continuity mistake: After Kellijian aims to choke his wife, they kiss. Right afterwards, the position of her left arm on his body is not continuous between shots.
Continuity mistake: Lew Feldman picks up his cigar from the ashtray, but an instant later, it's back on the ashtray.
Continuity mistake: When Patti is shot, Barry kneels down, places his face against hers, and lies on top of her. A shot later, from a different angle, he is away from her, repeating all previous movements.
Continuity mistake: When the robber is killed, his hat falls off. A shot later, it's back on.
Continuity mistake: When Jessica (a stunt double) rides her bicycle at the start, her red scarf is tied around her waist. A shot later, when the real Jessica is shown, the scarf hangs around her neck.
Revealing mistake: When Cagliostro is stabbed, there's a protruding rectangular pad under his shirt where the knife is stuck.
Continuity mistake: When Jessica talks to Lt. Bergkamp, she takes her left hand to her ear to improve her hearing, but from the opposite shot, her hand is lowered.
Continuity mistake: Before Joan leaves the restaurant, she has a glass of wine on her right, but from Jessica's POV, the glass has moved to Joan's left side. Also, Jessica's glass is in front of her, but moves to the right side of the table after Joan leaves.
Continuity mistake: When Bud and Andy arrive at Cagliostro's table, Jessica stares with her glasses on, while Joan turns her head around. An instant cut later, Jessica's glasses are off and Joan is turning her head again.
Answer: In a flashback scene, it was shown that he had a violent temper, so it stands to reason that he finally killed her in a fit of rage.