With guests Caitlyn Jenner, John Barrowman and Danny O’Donoghue with his band The Script.
Two sides of Glasgow collide when a teenage girl makes a pact with a wealthy couple.
Sephy and Callum fall for each other, but the odds are stacked against them.
Five teams set off from Mexico City in a race to reach Ushuaia in Argentina.
Georgie makes a professional decision with unexpected emotional consequences.
The crew return to the Cotswolds and discover some sad news about a popular resident.