Arc Timeline
Season 20
3 eventsThe Doctor interrupts a casual chess match between Tegan and Turlough when the TARDIS power readings reveal an unexplained drain. While his companions dismiss it as a leak, he realizes …
The Doctor abruptly halts his investigation after detecting energy draining from the TARDIS. White Guardian’s voice cuts through as a garbled transmission, escalating to a clear command to increase power …
The White Guardian's urgent transmission to the TARDIS is violently interrupted by the Black Guardian's interference as Tegan struggles to maintain contact. The Doctor and Turlough burst in just as …