The Doctor and her friends face a brutal battle across the farthest reaches of space on Doctor Who. "Ascension of the Cybermen" is the ninth episode of the show's 12th season.
The Doctor and her gang end up at the night that inspired Frankenstein on Doctor Who. "The Haunting of Villa Diodati" is the eighth episode of the show's 12th season.
The Doctor and her team must stop the Judoon from doing too much damage on Doctor Who. "Fugitive of the Judoon" is the fifth episode of the show's 12th season.
Someone is sabotaging Nikola Tesla's generator plant at Niagara Falls on Doctor Who. "Nikola Tesla's Night of Terror" is the fourth episode of the show's 12th season.