Bang Goes The Theory (BBC1, 7.30pm) Series 6 of the entertainment science series. Starring Dallas Campbell, Liz Bonnin & Jem Stansfield. (1/8)
China: Triumph & Turmoil (Channel 4, 8pm) Documentary on modern China and its rise to become a global financial superpower. Presented by Niall Ferguson. (1/3)
PICK OF THE DAY Scott & Bailey (ITV1, 9pm) Series 2 of the detective drama. Starring Lesley Sharp & Suranne Jones. (1/8)
My Phone Sex Secrets (Channel 4, 10pm) Documentary on women who take jobs in the UK's phone-sex industry because of the economic downturn.
Horizon: Out Of Control? (BBC2, 9pm) Science documentary about the disparity between people's unconscious and conscious mind deciding their choices.
PICK OF THE DAY Alcatraz (Watch, 9pm) Season 1 of the US mystery drama about prisoners who vanished in 1963 returning to continue their crimes in the present. Starring Sam Neill, Sarah Jones & Jorge Garcia.
Letting Go (BBC1, 10.35pm) Documentary about a 15-year-old girl with Down's Syndrome who is contemplating the start of her life away from her mother.
Mary's Bottom Line (Channel 4, 9pm) Mary Portas sets up a business selling knickers, to compete with those produced cheaply in the Far East. (1/3)
PICK OF THE DAY Eastbound & Down (FX, 10pm) Season 3 of the US comedy-drama. Starring Danny McBride, Katy Mixon & Jason Sudeikis. (1/8)
For Better, For Worse (ITV1, 10.35pm) Update on the documentary series about eight marriages since 1998. (1/2)
Who Wants To Be A Millionaire? Mother's Day Special (ITV1, 8.30pm) Special edition of the quiz show.