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59 minutes
First broadcast: on BBC Two ScotlandLatest broadcast: on BBC Two Northern Ireland
Documentary series. Gregg Wallace explores the Nottinghamshire factory that produces 250,000 jars of curry sauce each day. Cherry Healey helps harvest chillies. Show more
Documentary series. Gregg Wallace explores a factory that produces 625,000 sausages a day and Cherry Healey gets the scientific lowdown on getting the best banger. Show more
20 minutes
First broadcast: on BBC One WestLatest broadcast: on BBC Two Scotland
Light echoes are reflections of light from distant objects in space. Sir Patrick Moore and his guests explain what they look like and how they can be seen. Show more
29 minutes
Patrick Moore, Mike Bode and Tim O'Brien discuss light echoes - reflections of light from distant objects. Chris Lintott helps to construct a new radio telescope. Show more
In the second phase of the experiment, the girls pack their undercover mums off to work. Show more
As they enter the final leg of this unique 21-day experiment, have the daughters done enough to bridge an epic generation gap and bring them closer to their mums? Show more
59 minutes
First broadcast: on BBC Two ScotlandLatest broadcast: on BBC Two Wales
Documentary series. Gregg Wallace is in Derbyshire at an enormous coffee factory where they produce 175,000 jars of instant coffee every day. Show more
Documentary series. Gregg Wallace explores the factory that makes 700,000 toilet rolls a day and Cherry Healey gets the bum deal of following a flush through the sewers. Show more
