The Doctor and Sarah Jane return to present day London to find it basically empty, save for looters, UNIT, and dinosaurs?!!? Trying to sort out the cause of these time eddies, The Doctor & Sarah Jane also discover deep underground (former) military bases, MK Ultra-esque mind control programs, and a secret space program psyop worthy of Alternative Three! All of this bonkers conspiracy-ness is ultimately hiding a plot to turn back time as an act of returning to a less polluted time! It’s six-parts of intrigue, mystery, and environmental commentary (that comes off better than Orphan 55 did) with Invasion of the Dinosaurs! We also spend a good few minutes talking about the news of RTD's return to Doctor Who!