Episode Title:
Case of the Missing Kanushu/Devolution City.
Episode Description:
Case of the Missing Kanushu: Betty is called to Spindley Tam's fortress to investigate his mysterious disappearance whilst, on Earth, Noah presents a rare coin for show-and-tell.
Devolution City: An ancient witch doctor uses her powers to devolve an advanced alien civilization into cave people, and plots to turn an entire planet into a black hole. Meanwhile, on Earth, Noah tries to prove that nearby crop circles show signs of aliens.