Gabriel Byrne as the lead in the mini-series, Quirke.

• Quirke, BBC Entertainment, 20.00

A consultant pathologist in the Dublin city morgue in the 1950s, Quirke is more at ease among the cold slabs than his fellow men. But in truth, his profession is his greatest pleasure: he is fascinated with unlocking the secret to these cadavers’ deaths. After a body vanishes from his mortuary, Quirke’s curiosity is piqued by the lengths his brother is prepared to go to cover up the cause of one woman’s death in childbirth. As Quirke turns detective, he discovers his investigations are more closely linked to his own life than he could ever have imagined.

• Dragons’ Den, BBC Knowledge, 22.00

Evan Davis presents the return of the business ideas contest, and there are two new Dragons, as IT industry expert Piers Linney and interior designer Kelly Hoppen join Peter Jones, Deborah Meaden and Duncan Bannatyne. Members of the public propose their business schemes to the Dragons. Each one has three minutes to introduce their idea, the investment they desire and perform what they hope will be an engaging pitch before coming under the scrutiny of the Dragons.

• Phoneshop, Sony Max, 22.00

Centres on the working day of the working day of the staff of a cellphone shop, the like of which you can find on every street. On the mean main street of London, the priority is to “shift units, make money, smash targets...” and no one knows that better than the staff of PhoneShop.

• Celebrities Undercover, Vuzu, 22.30

Features celebrities concealing their true identity with the use of prosthetic make-up to find out what unsuspecting fans and friends really think of them.