Big Strong Boys, 7.30pm, How To Gather insight into the mysterious trade secrets of doing it yourself. See miracles worked on bungled rooms. Taggart, 8.30pm, ABC ‘‘ Come on, ya Jessies, run!’’ Who knew there was a Scottish equivalent of the barking US drill sergeant? Tonight the soft heather tones of the lovely Blythe Duff as DS Jackie Reid are replaced, at least at first, by the guttural honk of a Scottish soldier. DI Robbie Ross ( John Michie, pictured) moves into the training camp to infiltrate the culture. Turns out there’s some nasty blackmail going on and, wait, is that a ghost I see? Surely not. Followed at 9.35pm by an episode of The Ghost Squad entitled Scottish Borders . Jericho, 9.30pm, Ten In the post- nuclear holocaust town of Jericho, winter is setting in. Resources are running out and there are more hungry mouths to feed due to the influx of refugees. So should the last to arrive be the first to get the heave- ho, as the mayor suggests? Cruel logic, and not everyone agrees. Some are hitting the road of their own accord, with death- defying bravado. Suddenly, a tank and a bunch of soldiers arrive. ‘‘ We’re the US marines and we’re here to help,’’ says the commander. ‘‘ We won the war. We nuked the hell out of North Korea and Iran,’’ he says, as if recounting a baseball score. So, the war is won and reconstruction can begin. Or can it?