The third and final instalment in the trilogy of 3D9C and 4D12C / Adventures through spacetime are balanced with the domestic lives of the usual cast of mismatched characters while they thwart intergalactic, cross-temporal, supernatural adversaries; everything ranging from killer space-squids to cults to parasitic toilet worms to invisible aliens and much more.

The second part of the "3 Doctors, 9 Companions" saga, carries on directly. The universe is still tearing apart and leaving Doors allowing for cross-dimensional travel. Introduces a female Doctor, a psycho synth, twin realities, a useless vampire, Sally Sparrow and a conspiracy to resurrect dead Torchwood members. Everybody has superpowers, and things get sort of gay.

As the fabric of the universe crumbles, the TARDIS crew over 300 years are pulled back to the ship and are forced to live in close quarters and get along while going on daily, episodic adventures in between the domesticity. Stars Nine, Ten, Eleven, Rose, Jack, Mickey, Martha, Donna, Amy, Rory, River, Clara and later Jenny, Tentoo, Oswin Oswald and Adam Mitchell. [Improves With Age]