[s7e4] The Year Of The Slow Invasion -

Most fans agree the buildup is 10/10, but the resolution is rushed. The Shakri—the "pest controllers" of the universe—are defeated with a literal wave of the sonic screwdriver.

UNIT’s secret headquarters where the science happens. [S7E4] The Year Of The Slow Invasion

A threat that requires patience—his least favorite virtue. Why the "Slow" Pace Works Most fans agree the buildup is 10/10, but

[S7E4] The Year Of The Slow Invasion: A Quiet Kind of Chaos Doctor Who’s "The Power of Three" (often referred to by its internal timeline as The Year of the Slow Invasion) is one of the most unique episodes in the show’s history. Instead of a 45-minute sprint to stop a bomb, we get a year-long marathon of… waiting. The Premise: Death by Cubes [S7E4] The Year Of The Slow Invasion

The primary "observation post" for the cube watch.