The best of tonight’s television

■ BEST SPORT Live World Cup 2018 Qualifier RTÉ2, 7pm

Darragh Maloney introduces coverage of the deciding leg of Ireland’s World Cup qualifying play-off against Denmark at the Aviva Stadium, which gets under way at 7.45pm.

■ PROGRAMME OF THE DAY Mr Mercedes RTÉ One, 10.10pm

While Jerome and Holly share their concerns about the Mercedes killer with Hodges, tensions between Brady and Robi are continuing to mount. And as details about their investigation emerge, Hodges, Pete and Izzy are finally closing in on their suspect. Brendan Gleeson stars in the drama based on a Stephen King novel.

■ BEST DOCUMENTARY Rick Stein’s Road to Mexico

BBC Two, 9pm

Rick Stein continues his journey along the Californian coastline, stopping off at some of North America’s finest vineyards before visiting LA.

■ MOVIE OF THE DAY Night of the Hunter TCM, 9pm

Robert Mitchum plays a murderous con-man who poses as a wandering preacher to get at a widowed mother’s hidden fortune.

■ WATCH BACK 10 Things to Know About...

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Aoibhinn Ní Shúilleabháin and a panel of experts find out how the naturally occurring gas radon remains such a big killer.

Martin O’Neill and Roy Keane direct their side during the 0-0 draw for the Irish in Denmark in the first leg. Photo: Stephen McCarthy/Sportsfile. Below: Rick Stein