01:35Darts: World Championships - Extra2016Episode 7: Day 7BBC Two Duration: 3 hours Sat 9th Jan 2016, 01:35 on BBC One Northern Ireland HDRob Walker introduces extended highlights of men's quarter-final and women's semi-final action at the 2016 BDO World Professional Darts Championships.ContributorsPresenter:Rob WalkerExecutive Producer:Alison WitkoverGenresSportDartsBrandDarts: World Championships - ExtraSeriesDarts: World Championships - Extra: 2016 Source: BBC Online