The Extract Obliteration - S6-E6
Continuity mistake: Sheldon is sitting by himself at a lunch table with an opened bottle of water with the bottle cap in front of the bottle. Raj and Howard arrive, and in one of the shots, the bottle cap moves closer to the bottle by itself.
The Extract Obliteration - S6-E6
Continuity mistake: Sheldon is siting at the kitchen counter with a mug in front of him. In one shot, the string of a teabag appears coming out of the mug. In between shots, the teabag string moves by itself.
Chosen answer: It does. The variable cleanliness of the cab and the habit of taxi drivers to engage customers in small talk would be too much for Sheldon to handle, and not an option for him.
Captain Defenestrator