A special broadcast by Her Majesty The Queen in relation to the coronavirus outbreak.
Five teams set off from Mexico City in a race to reach Ushuaia in Argentina.
Sephy and Callum fall for each other, but the odds are stacked against them.
Georgie makes a professional decision with unexpected emotional consequences.
A cash-strapped couple take in an enigmatic lodger who changes their lives forever.
The crew return to the Cotswolds and discover some sad news about a popular resident.