Attempting to defuse the tense situation, Clara stepped between the Doctor, and the guard trying to prevent them from entering UNIT HQ.
“You must be new, so I’ll tell you now; you really shouldn’t make him angry. Trust me when I say you wouldn’t like him when he’s angry.”
The guard looked unimpressed. “Thinks he’s the Incredible Hulk, does he?”
“No, I’m the Doctor, and that’s something far worse.”
“The Doctor?” Now the guard looked impressed, stepping aside. “Sorry, Sir; didn’t recognise you.”
“New face.” The Doctor ushered Clara inside. “Who’s this Incredible Hulk?” he whispered.
“I’ll tell you later.”