The week’s . . .
Most sobering documentary
Peter Taylor investigates in Al-Qaeda: Time to Talk? (Sunday, BBC Two, 9pm)
Most cogent polemic
Stewart Lee defends his right to blaspheme in Don’t Get Me Started (Tues, Five, 7.15pm)
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Happiest ancestor hunter
Cockney genealogist Barbara Windsor in Who Do You Think You Are? (Wed, BBC One, 9pm)
Best romantic comedy
A pool provokes marital evaluation in Aftersun (Fri, BBC One, 9pm)