Season 21 cont.
Episode 136 The Twin Dilemma
Episode 137 Attack of the Cybermen
Episode 138 Vengeance on Varos
Episode 139 The Mark of the Rani
Episode 140 The Two Doctors
Episode 141 Timelash
Episode 142 Revelation of the Daleks
The Trial of a Timelord (Complete Season, consisting of 14 episodes)
The Sixth Doctor now regenerates into the seventh Doctor, Sylvester McCoy.
Real Time (webcast)
Remember this is no substitute for owning the DVDs, please consider buying the ones you enjoy.