Categories Season 4The Prodigal Sontaran – “The Sontaran Stratagem/The Poison Sky” & “The Time Warrior” Post author By Porter & John Post date June 22, 2021 ← Singin’ with the Brains – “Planet of the Ood” & “Time and the Rani” → Family Ties – “The Doctor’s Daughter” & “The Dalek Invasion of Earth”