Revealing mistake: When Dori types in an inquiry into the computer it is very obvious that her typing is absolutely nonsense - she types the same three letters in a row over and over again, and never presses Enter. (00:19:05)
Brother, Can You Spare a Crime? - S1-E17
Revealing mistake: When Dori jumps over the table to save the vase you can see that there is a stunt woman making this jump. Futhermore the table is too short to stop her - but the rest is cut away. (00:22:25)
Sledge, Rattle & Roll - S2-E15
Revealing mistake: The dead body of Rak Vulture is breathing as Dori Doreau inspects his body in the limousine.
Revealing mistake: When Sledge Hammer shoots the handcuffs to free himself from the drawer he is handcuffed to, there is no bullet hole in the drawer, even though he was aiming right at it.
Revealing mistake: To free himself from being handcuffed to the drawer, Sledge shoots the cuffs at point blank range while pointing the gun at the drawer, but there is no bullet hole in the drawer from the gun's discharge.