24 November 1979: broadcast of first episode of Nightmare of Eden. Two spaceships collide coming out of hyperspace; the Doctor, Romana and K9 start to uncover murky doings with the addictive drug vraxoin.
24 November 2008: broadcast of second episode of The Temptation of Sarah Jane Smith. Sarah's parents sacrifice themselves to prevent the Graske's plan.
24 November 2009: release of fourth episode of Dreamland.