Scott calls on Davina to help find his long-lost sister in the heart-tugging series. Plus, a Dispatches investigation into Palestine Action. Here’s what to watch this evening

9pm, ITV1The DNA show never fails to make your eyes leak. Scott was 12 years old when he learned that his mum and dad were actually his grandparents and his older sister was his mum – and now he’s desperate to find his real older sister who was put up for adoption. Davina McCall and Nicky Campbell help with finding her and navigating the emotional rollercoaster that ensues. Hollie Richardson

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