"Marcus Aimond, untrained tag-along aboard humanity's first intergalactic exploratory commerce vessel, has a singular mission: sell off-brand misprinted merchandise. When the rookie and his crew encounter the Nerelkor, a frog-like civilization, he is thrust head-first into an alien civil war. The opposing factions, Rejault and Dinasc, are stuck in an ill-fated feud driven by deep-rooted ineptitude. To avoid the planet’s total annihilation and establish...

Based on a script by Russell T Davies, the spectacular second adventure for Doctor Who's 60th anniversary features David Tennant as the Fourteenth Doctor and Catherine Tate as Donna Noble.