Freddie Flintoff, Chris Harris and Paddy McGuinness head to the Lake District for an emotional reunion with their own dads' old cars. Elsewhere, Chris heads out on track to test Lamborghini's most powerful car ever, the hybrid Sian.

Freddie, Chris and Paddy head out on an icy expedition across the wild Scottish Highlands in the new Land Rover Defender, Mercedes G-Wagen and Ariel Nomad. Which will prove itself the ultimate off-roader?