He will knock four times

Hello, I'm Harriet. I'm an eighteen year old Whovian/ Potter Nerd/Nerdfighter/Gleek/Starkid/Theatre Dork/Gilmore Girls fangirl/West Wing addict from QuakeCity New Zealand. Talk to me :) I don't bite!
Hufflepuffs finding this

Unlikely Lines to Hear in an Episode of Doctor Who

(Source: -expelliarmus-, via dariinkk)