As the co-pilot collapses when attacked by the Nimon, his trousers split dramatically at the back.
As the co-pilot orders Romana to go back to the hold with the other prisoners, she slams her sonic screwdriver down onto the console for no reason and then complies with his order. A rather stupid thing to do as sonic screwdrivers are invaluable in such situations and she willingly left her's behind. Naturally, she would need it a few minutes later.