The Doctor takes Clara time traveling on the TARDIS and she questions whether the Doctor sees her as a ghost or living person after seeing the entire life cycle of the Earth.

The Doctor shows the Blood Family, who tried to hunt him, the consequences of their actions by allowing them to live forever.

Henry Waternoose convinces Sulley to demonstrate his scare tactic to several onlookers. In the process, Sulley scares Boo. He attempts to win back her trust by showing her that he was only acting earlier.

After spending time with the Crystal Gems, Peridot betrays their trust and calls Yellow Diamond, one of the main leaders from their homeworld, about the status of a military mission that can destroy the Earth. Peridot tries to convince Yellow Diamond not to eliminate the planet, but realizes that Yellow Diamond's opinion can not be changed and tries to fix her mistake.

The Doctor communicates with people in the present while he is in the past to warn them about the Weeping Angels and impending danger.