The Doctor tries to convince the Colonists that the Adjudicator (Master) is a phony, but he quickly deflects the argument onto the Doctor. The Doctor and Jo break into the Master's TARDIS, but he acts quickly to stop them. The Master wishes to access the primitives base and coerces The Doctor to accompany him to the base, holding Jo as prisoner. The IMC crew discover the Master isn't the real Adjudicator, retake control over the Colonists and put them on court martial, they are forced to take flight in their dilapidated space ship. IMC crew get into the Maters TARDIS and try to rescue Jo, this alerts the Master and..........
The high point in this episode is Katy Manning's 'duralanium' gaff, and her very real smirk after Jon corrects her.
John Nathan turner was but a floor assistant for this episode.
Why does the Master have filing cabinets in his TARDIS, is he a part time filing clerk when he's not conquering the universe?
This part has added a total sum of nothing to the story, it's an absolute filler episode and has been astoundingly boring....zzzzzzz 4/10