James May goes in search of a wedding ring lost in the 1970s. The team also launches its very own pirate radio station and there are a couple of amazing inventions on offer too.

James digs up half of the South Coast to try and find the wedding ring his father lost on a family holiday forty years ago.

Man Lab sets sail and goes live with its very own pirate radio station. Meanwhile back at headquarters, James and Sim solve the time old problem of how to deal with junk mail using a model railway and some precision engineering. This time the invention of the week is an ingenious device that guarantees you will never spill a pint ever again.