: The episode is often cited for its heavy focus on the "clash of worlds" for Clara, as she struggles to balance her life with the Doctor and her domestic life with Danny.
: This episode features the first brief appearance of Courtney Woods , a student who briefly travels in the TARDIS in the following episode. [S8E6] The Caretaker
The episode follows the Twelfth Doctor as he goes undercover as a caretaker at Coal Hill School to hunt a dangerous alien robot, the Skovox Blitzer. However, the central conflict of the story revolves around the Doctor finally meeting Clara Oswald's boyfriend, Danny Pink, and his disapproval of their relationship. Key Highlights and Themes : The episode is often cited for its