The Twelfth Doctor and companion Bill have had quite the adventures of late, having faced off against both Weeping Angels and Heavenly Hosts on their last trip, rescuing the crew of a cargo spaceship in distress!With a hefty series of deadly escapades already under their belts, this dynamic due believe they're ready for whatever time and space can thrown at them...Today, that comes in the form of a call for help from UNIT's own Kate Stewart.