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A window gets smashed onboard the Naughty Lass and Robbie Cumming receives a soaking inside the very wet Blisworth Tunnel on the Grand Union Canal.

During a cold snap Robbie Cumming gets iced in on the Grand Union Canal. Later, his parents pay a visit and help him through Marsworth Locks.

Robbie Cumming navigates the scenic Oxford Canal onboard Naughty Lass, explores its twists and turns, and helps tow a stranded broken-down boater.

Sheldon and Peter try to complete their client's Triumph collection by hunting down and restoring the last remaining model - a Triumph Dolomite Sprint.

Mercedes 380SL, Vauxhall, Talbot Sunbeam Lotus: Derek is reunited with a restored Mercedes SL, Paul picks up a historic rally car, and a 1974 Vauxhall VX sells for a pricey sum.

This week tells the tale of the two Mercs, but what will the moral of the story be? Plus, the team get stuck into a moddable favourite - a 2006 Ford Fiesta ST.