Aired 8 years ago - Sep 27, 2014
Clara has it all under control: her life at school, her life in space; her new boyfriend and her mad old Time Lord. Everything is humming along just fine, so long as everybody never actually meets. And then, one morning, just before assembly, Coal Hill welcomes a new relief caretaker with a Scottish accent.
Mouse over thumbnail for slideshow
Or scroll and see one by one: