Doctor Who: The Newbies Guide
The Twin Dilemma
This is the seventh and final story in Season 21.
This is a new incarnation of the Doctor and this is his first appearance.
Perpugilliam "Peri" Brown is an American botany student from the 1980s who decided to join the Doctor on his travels during Planet of Fire. In The Caves of Androzani, the fifth Doctor sacrificed himself to save her life.
Recurring and Historical Characters