PICK OF THE DAY STARSTRUCK: THE FINAL

★★★★

Olly Murs (right) hosts the final of the talent contest that put stars in our eyes as a series of contestants filled the shoes of their pop-singing idols. There’s a £50,000 cash prize up for grabs, so nerves will be jangling as the finalists undergo their spectacular makeovers – as Freddie Mercury, Tina Turner, Barbra Streisand and more – and strut their stuff in front of Olly, plus judges Jason Manford, Sheridan Smith, Beverley Knight and Queen front man Adam Lambert. Applications are open for the next series if you fancy your chances.

8.30PM, ITV TOTP: THE STORY OF 1993 7.35PM, BBC2 ★★★★

This ongoing look at how music fans once spent their Thursday nights arrives at 1993, when M People were Moving On Up and Mr Blobby gate-crashed the charts. Take That were riding high and, at 9.35pm, there are highlights of their BBC appearances, with 30th anniversary film We’ve Come A Long Way at 10.35pm.

CHERNOBYL: THE NEW EVIDENCE 8PM, CH4

★★★★ After the horror of the explosion at the nuclear power plant came the fallout. This concluding episode reveals how, during the Kyiv May Day parade, hundreds of children were exposed to the radiation cloud. We also hear from survivors, among them Oleksiy Ananenko, who risked his life to prevent a second explosion.

CASUALTY

8.35PM, BBC1 ★★★

Paula is back in the ED – but this time, she’s not the one in trouble. She offers to help an old friend from her heavydrinking days, but it threatens to derail her hopes of gaining custody of her daughter. Iain, meanwhile, gets a lead on suspicious activity at a farm – and puts himself in the path of danger. SIMONE ANDREWS