Divorce Stories, 7.30pm, SBS Of the 100,000 marriages each year in Australia, 43 per cent will fail. This repeat SBS series bangs home the message by looking into expectations. A wife leaves her man after 27 years and four children. Another leaves her man for a woman and a third resents her husband’s control- freak nature. Blimey, what did they expect? Choir of Hard Knocks, 8pm, ABC In the final episode the choir is squabbling, the choirmaster is stressed to the max and almost no tickets have been sold for a do- or- die performance at the Melbourne Town Hall in just a few weeks. Colin and Justin on the Estate, 8.30pm, LifeStyle Eager to prove they are not just smarmy gay gits who do glossy makeovers of folk on the telly, Colin McAllister, pictured, and Justin Ryan are coming home to Glasgow to take on a tough housing estate called Arden. ‘‘ I hope they come up wie a f--- in’ armed guard, cos they’re goney f--- in’ need it,’’ offers elderly Betty MacNeil, a resident for 45 years. Poor wags. Firefight Tokyo, 9.30pm, National Geographic The fast pace of Tokyo, the largest city on earth, could drive a person to sake. Meet the firefighters who take on Tokyo’s earthquakes and fires. Faster than speeding bullet trains, with more devices and robots than Astro Boy’s Doctor Elephant, these ninja of the city are rushing to save lives.