The Five Billion Pound Super Sewer (BBC 2/HD | 9:00pm to 10:00pm | Tuesday 31st July 2018)

Following workers across London over three years as they race to build an enormous supersewer on time and on budget. In this third and final episode of the series, tunnelling in central London finally begins.

Celebrity Five Go Caravanning (Channel 5/HD | 8:00pm to 9:00pm | Friday 3rd August 2018)

Travelogue series following a group of celebs as they bundle into a caravan and explore the open road. Colin Baker, Sherrie Hewson, Tony Blackburn, Todd Carty, Sonia and Brian Capron embark on the second leg of their Cornwall odyssey. The boys make a detour to the picturesque fishing village of Polperro, whilst the girls decide to cycle the Camel trail. Then the gang reunite and head to Helston to mark the end of their journey.

All TV guide information taken from DigiGuide — www.getdigiguide.tv/?p=1&r=15119.

The Five Billion Pound Super Sewer (BBC 2/HD | 9:00pm to 10:00pm | Tuesday 24th July 2018)

Following workers across London over three years as they race to build an enormous supersewer on time and on budget. In this second episode, construction begins in the heart of London.

Celebrity Five Go Caravanning (Channel 5/HD | 8:00pm to 9:00pm | Friday 27th July 2018)

Travelogue series following a group of celebs as they bundle into a caravan and explore the open road. Colin Baker, Sherrie Hewson, Tony Blackburn, Todd Carty and Sonia head to Cornwall, with actor Brian Capron joining the throng. After pitching up on the edge of Bodmin Moor, Tony takes a death-defying leap, before locally-sourced cream tea is sampled.

All TV guide information taken from DigiGuide — www.getdigiguide.tv/?p=1&r=15119.