In the second episode - how one of Britain's bestselling lagers was secretly watered down by its brewers to reduce costs without customers knowing. This episode also reveals an internet shopping tip that could save you money. Secondary ticketing sites are also in the firing line as presenters Anna Richardson and Sabrina Grant get to grips with Viagogo's selling tactics. Supershoppers name the waterproof boots that can't be relied on to keep your feet dry, and reveal everything you need to know to get faster, better wifi. Plus - how our favourite chocolate brands are luring us to pay more for less, and a test on the new air freshener products making a splash.

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Documentary