On Saturday Andrew and his dance partner Ola Jordan should be doing the Samba, but Andrew's scared his injury may put him out of the competition altogether.
Andrew was in the dance-off last week with Mark Foster but was saved by the judges' final vote.
Let's hope he makes a speedy recovery as we're not sure he stands much of a chance this week unless he's firing on all cylinders.
Want to watch Andrew Castle head banging in week three again? OK, here you go...