TV and radio picks of the week: Along The US-Mexico Border; Da 5 Bloods; Thirteen; The Austerity Audit

PICK OF THE WEEK
Along The US-Mexico Border (Monday, BBC One, 9pm)
Even before she left the Bake Off tent, Sue Perkins had started to wander, exchanging its garden-fete ambience for travelogues. She has built up quite a portfolio — India, the Mekong, Japan — but this two-parter documents a trip through treacherous territory. Starting in Tijuana, one of the world’s busiest land border crossings, Perkins quickly moves beyond chilaquiles and tequila to discover the realities of those on each side of the wall. She meets the “grey army” of migrants to Mexico, drawn by the cost of living and warm weather, and explores a town funded by dental tourists from America; however, these encounters emphasise the restrictions on those hoping to move the other