http://www.denofgeek.com/tv/doctor-who/35209/doctor-who-the-nerdy-in-jokes-from-series-2

From ampersands to The Apprentice, from dinner ladies to Dirty Den, here's a selection of nerdy in-jokes from Doctor Who series 2...

Read more: http://www.denofgeek.com/#ixzz3YoDoZ2mN