The Best Episodes Written By Paul Cornell

It's 1913, and war comes to England early as the terrifying Family hunt for the Doctor.

England, 1913. A schoolteacher called John Smith dreams of adventures in time and space. The Doctor, along with Martha, heads to a boarding school, but what he finds is far from ordinary...

The team are sent to deal with a Columbian Mammoth rampaging on the M25, and attempt to save a trapped motorist before she frightens the Mammoth into attacking again. Meanwhile, Connor and Abby search for the missing Rex and Caroline, and Stephen reveals his alliance with Helen Cutter. Connor and Cutter spring their trap to find the traitor in the ARC, and Oliver Leek's true colours are exposed and the team race to track him down.

Lambert, a friend of Sir Guy of Gisborne and castle scientist, realises that lives could be at risk if his latest invention were to fall into the Sheriffs hands. When Lambert won't make more of the invention, an "explosive" black powder, he is put into the dungeons by the furious Sheriff. Much volunteers to get himself arrested so he can help Lambert from within, but will he get more then he has bargained for?

Rose requests a trip back to the day her father, Pete Tyler, died. Reluctantly, the Doctor agrees, but he realises he has made a mistake, when Rose saves Pete from being run over by a car. This has now changed the timeline, and Reapers are transposing themselves all over the Universe. However, this time, the Doctor doesn't have a plan…

After a vigilante dressed up as a comic book hero is murdered, Holmes and Watson need to find the man's true identity and find his killer.

The Sheriff's bailiff is murdered and rumours point to Robin being the culprit. However, he believes it to be a do-gooder known as the night watchman. Robin and the Sheriff form an unholy alliance to find the true identity of the murderer.

With Steven and Vicki being held prisoner by the Trojans, the Doctor's only hope of seeing them again is to suggest the idea of the Trojan Horse.