Music mogul Timbaland pairs the children for group performances, before Macy Gray and Howie D discuss the art of collaboration.
The Pop Game
Heavy D builds a somersaulting truck for use in a viral video, while the Muscle takes on a job in which he must transform a Dodge Ram into a funky, modern pop-up camper.
Marc Headley, the former producer of Scientology's gala fundraisers, pulls back the curtain to reveal the shocking truth of these glitzy events.
Leah Remini: Scientology & The Aftermath
Martyn flies to New York to install special display boxes of Jimmy Choo shoes in a $30million penthouse. Jeffrey surprises Ross with a swanky birthday party.
Million Dollar Decorators
Rackham and Bonny face impossible odds and Silver demands answers from Flint. Swashbuckling drama, starring Toby Stephens. Last in the series.
The five remaining young geniuses must conquer two mind-bending rounds - advanced logic and world history as they advance to the $100,000 college fund prize.
Child Genius US