Something's lurking in the A/V department, something that is trapped in old equipment... as the Doctor quickly discovers, outdated technology does have a role in the modern world.
That role? Ending it.
to be added
- Petra belongs to the A/V club, which is located in Building D.
- The Doctor names this episode of the podcast, which he is presenting, "The Monster at the End of This Podcast". This is in tribute to a children's picture book which would become a major religion in the 2020s.
- The Doctor used to have a tape deck, but he thinks that it was blown up by Ace, or possibly by Cybermen.
- The St Luke's University library once turned invisible for three days. The Doctor claims not to be entirely responsible.
- The Doctor mentions that Nardole has taken the TARDIS to see ABBA at Eurovision 1974.
- The Doctor refers to the trapped creature as a trans-dimensional cassette being, though he hopes to come up with a better name later.
- The Doctor and Petra are chased out into the St Luke's quadrangle.
- The Doctor advertises Debbie's Kebab Chalet as part of the podcast.
- The Doctor captures the creature with a Polaroid photograph.
- While explaining waveforms to the listener, the Doctor references Joy Division.
- Petra compares the Doctor's plan to "turning the world into a pair of noise-cancelling headphones".
- The alternate Petra has a degree in quantum physics. She mentions the observer effect and the Weizmann experiment.
- Though alternate Petra gives her surname as Elliott, the Doctor's version of Petra does not make clear that her full name is Petra Elliott, as well.
- Petra clearly named for writer John Richards' friend Petra Elliott, who is also a co-writer alongside Richards on the Doctor Who-inspired Australian audio comedy series Night Terrace. Elliott was also Richards' co-host on Splendid Chaps, an actual podcast celebrating 50 years of Doctor Who.
- This story marks Jacob Dudman's debut voicing the Twelfth Doctor.
- The podcast name "The Monster at the End of This Podcast" is a reference to The Monster at the End of This Book: Starring Lovable, Furry Old Grover, the best-selling Sesame Street book in the franchise's history.
- This story was originally released as a download only.
- The Doctor finds it ironic that in his third incarnation, he was trapped on Earth without a working TARDIS, whereas now he has a working TARDIS but no intention of leaving. (TV: Spearhead from Space, et al.)
- The Doctor refers to the TARDIS' history of melting clocks, (TV: The Edge of Destruction) having Vortisaurs in the corridors, (AUDIO: Storm Warning, Sword of Orion, et al.) and middle-aged archaeologists being born to young women. (TV: The Almost People, A Good Man Goes to War)
- The Doctor mentions the Time-Space Visualiser. (TV: The Space Museum, et al.)
- The Doctor refers to his self-doubt about being a good man, (TV: Into the Dalek) and how he later learned the goal should rather be in the trying. (TV: Death in Heaven)
- The Doctor thinks about being trapped and alone, "hitting the wall over and over". (TV: Heaven Sent)
- The Doctor regrets inadvertently bringing the Mandragora Helix to Italy, (TV: The Masque of Mandragora) and the Family of Blood to England. (TV: Human Nature / The Family of Blood)