Doctor Who

Season 18, Episode 2

Episode Title: The Leisure Hive (2)

Air Date: 1980-09-06

Overview:

Another man is found dead, strangled by the Doctor's scarf, so the Doctor is put on trial. By some of the archaic rules of law, he's made to "prove" his innocence by becoming a test subject in a new tachyon experiment with time. The result will prove his innocence or guilt, so they say.