The Doctor's investigation into the mysterious capsule and the threat it poses to the colony, complicated by his need to maintain his disguise as the Examiner.

The Doctor, distracted by his new body’s physicality, stumbles into a deadly miscalculation when an Earth Examiner arrives at the Mercury Swamp colony—only to be executed mid-approach by an unseen …

In Lesterson’s laboratory, the Doctor—now fully aware of the capsule’s Dalek origins—ignores Governor Hensell’s warnings and overrides protocol by cutting through the capsule’s hatch with a laser. His reckless action, …