As Khan said, you need to have someone proofread your work. That still doesn't take away from a good point. The defense HAS to step up.
While we are talking about Doctor Who, I have to say that Matt Smith (the current Doctor) brings back the fun of Doctors in the 70s and 80s. I agree that the cheesiness is part of the Doctor Who appeal. David Tennant and Christopher Eccleston played the role way too straight...