Melkur's usurpation of Traken's Keeper authority through temporal corruption and institutional manipulation, threatening the planet's temporal stability and legitimate governance

Consul Katura completes unauthorized access to the Source, allowing Melkur to assert himself as the new Keeper. The Doctor immediately identifies Melkur as an impostor, countering his false authority with …

As the Doctor and Tremas finalize plans to disable the Source Manipulator, Melkur’s enforcer Neman arrives with armed guards to seize the documents. Under duress, Tremas relinquishes the schematics only …

The Doctor seizes the moment after stabilizing the Source to disrupt the cycle of corruption. With the existing Keeper’s hold broken, he turns to the nearby Consuls and formally transfers …