When the companions are first being chased by the robots in the ship, they are holding torches. As they run down the corridor, however, they are holding the robots' guns, which they never picked up and when they enter into open space they are back with torches.
The Doctor had to use the sonic to use the transporter, but Ryan was able to use it without anything.
In the final scene while talking to Andinio and Delph, the Doctor's braces are visible. When she turns around in the next shot, they are hidden by her coat.