The Sixth Doctor regenerates

Tags: Sixth Doctor, Seventh Doctor, The Rani, Mel Bush

Time and the Rani, episode 1
7 September 1987

While in flight, the TARDIS is attacked by energy beams, throwing it off course. As a tractor beam pulls the TARDIS down to the surface of Lakertya where an old enemy is waiting, the Doctor begins to regenerate...

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