9pm, BBC One If you don’t know the Portuguese for “thank you”, you will by the end of the second leg of this race across South America as the celebs have multiple opportunities to say “ obrigado ” to helpful strangers. Kelly Brook and Jeremy Parisi are the first to set off on the 1,900-mile trip to the next staging post – the mining town of Lençóis, Bahia, gateway to a national park described as “Brazil’s Lost World”. While Scott Mills’s partner Sam wants to go “where everyone’s beautiful”, Freddie Brazier takes his dad Jeff to look after alpacas.

Kola Bokinni and cousin Mary Ellen meanwhile just need to catch up. 8pm, BBC One Jay Blades introduces another brand-new episode (there have been a lot of Repair Shop repeats this summer) as Sebastian arrives in Edinburgh with an item from the 1930s. The tabletop dictaphone is a remarkable piece of equipment that allowed Sebastian’s godfather, author William Gerhardie, to dictate his writing for a secretary to type up.

If Mark Stuckey can get it working, it’ll be the first time its contents have been heard for over 80 years. 9pm, ITV1 There’s another body – this time propped against a tree in the park with the number four helpfully scored on his forehead, as if the police can’t count. The victim is, however, one of their own.

One amusing aspect to the murder is that Lennox and Drummond (Dougray Scott and Joanna Vanderham) can’t find a crime-scene tent to cover the corpse because one of the j.