Arc of Infinity (3)

Name: Arc of Infinity (3)
Director: Ron Jones
Released: 1983-01-11
Duration: 25 min
Rating: 6.5
Cast: Colin Baker, Elspet Gray, Leonard Sachs, Ian Collier, Paul Jerricho

S20 E3 January 11, 1983 0h 25m ★ 6.5

Source:

Overview

Something seemed amiss about the Doctor's execution, so the Castellan has Commander Maxil discreetly but fully look it. Meanwhile, as the Doctor meets the anti-matter being inside the Time Lord Matrix, Tegan and her cousin's friend run afoul of a bird-like alien back on Earth.