Gregg Wallace visits the Guinness brewery for this week's Inside the Factory, Great British Menu returns for a new run, Inside Penneys continues and there’s a First Dates Ireland double on High Road, Low Road . . . Pick of the Day Inside the Factory, 9.00pm, BBC Two This show is always good for a look behind the scenes - but this episode has a particularly Irish appeal. Gregg Wallace (below) explores the secrets of the world-famous St James’s Gate Guinness brewery in Dublin to reveal how it makes two million litres of Irish stout every single day. Meanwhile, Cherry...