Fifth Doctor story Resurrection of the Daleks is represented by deleted scenes from the story, here with an extended scene of Tegan's arrival on the Dalek ship. Ian Marter is the subject for the Third Doctor's Carnival of Monsters clip, with On Target with Ian Marter looking at the actor/author's work for Doctor Who. Finally, representing Second Doctor story The Seeds of Death is a segment from Monsters Who Came Back For More!, where Nick Briggs and Peter Ware discuss monsters that recur in the series (an earlier clip from the documentary Lords of the Red Planet was released earlier this month).
Clip from Resurrection of the Daleks, 2|Entertain/ClassicDW, via YouTube
Clip from Carnival of Monsters, 2|Entertain/ClassicDW, via YouTube
Clip from The Seeds of Death, 2|Entertain/ClassicDW, via YouTube