The Protege - S2-E6
Continuity mistake: When Sprague is practicing shooting for the second time, we see that Paladin has put up a new target with no holes in it. Sprague draws his revolver and fires three shots but the cut to the target shows 4 holes in the center. He then proceeds to fire the other 3 shots. (00:10:15)
Continuity mistake: As the boys are playing basketball at the Cleavers' house, Tooey is shown in the first shot without his glasses, but immediately in the next shot where he shoots for a basket, he is wearing them. Magical glasses, indeed.
Continuity mistake: Jan Clayton steps out of the wagon, hands the baby to her daughter, then she lights a broom, but right when the girl says "What are you doing?!", she starts setting fire to the wrong wagon, and the mistake is instantly corrected in the next 2 scenes. (00:40:00)
Continuity mistake: After the bad guys rough up Diamond in his apartment, his hair alternates several times between falling over his forehead and staying neatly combed as the camera angles change.
The Case of the Borrowed Baby - S5-E26
Continuity mistake: Mason takes the medallion back from the matriarch as he leaves her home. A little later the old lady shows up at Della's and shows the medallion to Della.
The Resurrection of Joe November - S3-E24
Continuity mistake: The confetti and ribbons that fall on the coffin change their configuration with each new camera angle.
Continuity mistake: After Montes throws the knife to Zorro, López, who was fighting Zorro, disappears from the scene.