Frontier in Space, Part Three

S10E11·9.4·March 10, 1973·25m·BBC One

The Doctor is sentenced to life imprisonment at a lunar penal colony while Jo encounters an old enemy.

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#1In Season 10of 26 rated episodes

#18All-timeof 700 rated episodes

+0.3vs season avgSeason 10 averages 9.1

1973First airedMarch 10, 1973

Guest stars

Roger Delgadoas The Master (1st)

Michael Hawkinsas General Williams

Vera Fusekas President of Earth

Karol Hagaras Secretary

Richard Shawas Cross

Caroline Huntas Technician

Dennis Bowenas Prison Governor

Madhav Sharmaas Patel

Laurence Harringtonas Lunar Guard

Luan Petersas Sheila

Paul BernardDirector

Malcolm HulkeWriter