| Hint | Answer | Letter |
| Joan Redfern, Rory, and Commander Strax all have this in common | |
| They sing songs of the Doctor Donna. | |
| This species can mimic the internal structure and genetic material of other beings by sucking their blood. | |
| The last centurion. | |
| It doesn't do wood. | |
| The Master names his cyborgs after this Gallifreyan fairytale monster. | |
| Where the last of human kind wanted to go when the universe was dying. | |
| They are why you are afraid of the dark. | |
| This prime minister calls The Doctor for help after one of his scientists 'creates' the 'Ironsides'. | |
| Which Queen Elizabeth reigned on the Starship UK for 300 years? | |
| The literally absent minded professor who was hiding at the end of the universe | |
| The Atraxi threatened to destroy Earth if the humans did not turn over this escaped prisoner. | |