5/5 The nation's sharpest scientific minds and keenest brains tell their favourite jokes. (R)
6/16 Roger and the guys rally round to help Stan pop his killing cherry. (R)
1/12 Topical comedy show in which Russell Howard offers up his unique perspective on the news. (R)
6/6 Del's ex-partner asks him to front his new business in Australia. (R)
4/6 When a riot forces everyone into a back room, Arthur stages his tribute to The Musical.
2/6 Tom launches his own pop-up restaurant in the flat using suspect secret ingredients.
3/8 Tom suspects his grandfather competed in the 1948 London 'Austerity Games'.
BBC Two except Northern Ireland
10/23 When Meg turns 18, Quagmire seizes the opportunity to pursue his next romantic conquest. (R)
BBC Two Northern Ireland
11/23 Brian starts dating a blind girl who then divulges that she hates dogs. (R)
7/16 Francine decides to be a surrogate for her gay neighbours Terry and Greg, angering Stan. (R)
5/10 Zac has never settled into normal adult life, and wants one more chance at pop stardom. (R)
8/16 Stan's demands for the perfect Christmas alienate the family and land him in limbo. (R)
2/6 Tom launches his own pop-up restaurant in the flat using suspect secret ingredients. (R)
5/6 Cuckoo motivates Lorna's best friend Connie to pursue her dream of becoming a singer. (R)
6/6 Rachel and Cuckoo discover that their Thai beach wedding ceremony wasn't official. (R)