Who Do You Think You Are? is on BBC One at 9pm.

Singer Marvin Humes delves into both his Jamaican and English heritage, and discovers family connections to slavery, and one of the most dramatic events of World War Two.

Versailles is on BBC Two at 9pm.

Last episode of the period drama series. Louis tries to heal fractures within his family, and project a positive image to the people of France, but others are busy plotting a far less healthy outcome for the king.

Heatwave Britain is on Channel 4 at 8pm.

One-off documentary investigating the extreme weather the country has experienced during recent months.

Saving Poundstretcher is on Channel 4 at 9pm.

This three-part documentary series follows Poundworld founder Chris Edwards, after he was brought in by the current owner, to try to revive the fortunes of their Poundstretcher chain of discount stores.

Tower Block Kids is on Channel 5 at 9pm.

Two-part documentary following children growing up in high-rise flats. Tonight, two brothers discuss being kept awake by anti-social behaviour. Concludes next week.

For the People is on Sky Witness at 10pm.

This new US courtroom drama, from the creator of Scandal, follows defense and prosecution lawyers working in New York.