Continuing the programmes about sex and sexuality.
See Polly Toynbee: page 10

9.00 Fidelity
Several couples talk about the importance of fidelity in long-term relationships. Partners explain what they see as acceptable and not, outlining the emotional boundaries they set themselves and each other, and in a frank discussion they air their views on such topics as jealousy, flirting and age.
(Digital widescreen)
BBC Action Line: for details see Monday

9.50-10.30 Welcome to Norfolk Mr Griffin
Tonight's second film in the season follows 64-year-old Norma, a widow with a fondness for younger black men from the Caribbean. Her newest lover is Nathaniel Griffin, a 30-something shell fisherman from St Kitts. Griffin, an amputee known as One Off, has come to stay with Norma but must first pass muster with her eccentric and protective friends and family.