6/6 Luke has the lowdown on space police the Judoon and alien secret protector Mister Dread.
5/6 Clyde has the lowdown on the Berserkers and the alien truth behind the Mona Lisa.
4/6 Sarah Jane has the lowdown on the Slitheen, their Blathereen cousins and their rakweed.
3/6 Luke has the lowdown Mrs Wormwood, the Bane mother, and the Sontarans.
2/6 Rani gives us the lowdown on the Entity, Eve and Ship.
1/6 The lowdown on her nemesis the Trickster, and Krislok the time-travelling Graske.