Continuity mistake: In the episode, "Year of the Tiger" when Danny is driving Mr. Zhao in his convertible at night, you can really see that the background is a bad fake and since even though Danny is driving with the top down, his hair and clothing does not get ruffled at all by the wind.
Continuity mistake: When Danny catches the valet who is sending the info to the blackjack player, he hits him in the back and they both sit on the bench while Danny looks over the Ipaq he was using. The valet tries to get up and Danny hits him again and he falls back into the bench holding his stomach. The camera angle changes and his left arm is now stretched over Danny's back.
Continuity mistake: After Danny gets caught with Big Ed's daughter, he's escorted to see Big Ed and he's seen fixing his tie as he walks down the hallway. The camera angle changes and he's now seen with his hands by his sides. Camera angle changes again and he's back to fixing his tie. Happens twice during scene.
Continuity mistake: When Tom (Bunny Slippers) is playing the wheel, they close the table to save him money and the dealer pushes his chips back to him. He reaches over to grab the chips and when the camera angle changes the chips are no longer on the table, they are in front of him neatly stacked.