Doctor, doctor, will you help me out?
Certainly, which way did you come in?
This pun is a play on the expression "to help somebody out".
help (somebody) out (phrasal verb):
to help somebody to do something; to help somebody with a problem
- I can't eat all this. Can you help me out?
- I need another 5 euro. Can you help me out?
help (somebody) out (of somewhere) (verb):
to help somebody to get out of a car, room etc
- Your grandmother will need someone to help her out of the car.
- Please help her out of the room and down the stairs.