Appearing in "The Seventh Segment"Edit
- Black Guardian
- Earth-5556 (Doctor Who Universe)
- The Doctor's Type 40 TARDIS
Synopsis for "The Seventh Segment"Edit
The Black Guardian sets a trap for the fourth Doctor as he searches for the Key to Time, but he and his companions narrowly escape.
Also contains features on the 'Key to Time' season.
- No trivia.
Links and ReferencesEdit
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