Round 3 sees the remaining teams afforded one week to double £1,000. The twins host an event for local ladies in Leeds, while married couple Nissy and Ben offer a webinar on how to have a happy marriage. On Bournemouth beach, a father and son decide to run a hook-a-duck game, but at £5 a go they'll need a lot of customers to reach the £2,000 target. Best friends Radhika and Seema host an erotic art workshop on an industrial estate in north-west London for £75 per person, while in Telford, Dale and Harvey attempt to stage a talent show contest.