The couples spend time apart on boys' and girls' nights out, as they welcome back the husbands and wives who have left the experiment.
Stephen Mangan, Paul Carrick Brunson, Chloe Massey, Mel Schilling, Charlene Douglas, Jo Coker, Reverend Nick Devenish, Dr. Anna Machin, Dr. Mark Coulson, Cynthia Green
Romance
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