The Walsh Sisters Sat, 9.15pm, BBC One Finally, Marian “Queen of the Romcom” Keyes is bringing her flawed, hilarious and painfully relatable characters to the small screen. It starts with Rachel being forced into facing her relationship with alcohol – but does she really think she has a problem? Meanwhile, outgoing single mum Claire is finalising her divorce. Heart-tugging and thoughtful, with that cracking Irish comedy laced throughout. Hollie Richardson Sailing the Shipping Forecast With the Rev Richard Coles 6.15pm, Channel 4 The Rev finds the shipping forecast so soothing that he considers it a sort of prayer. For the...