The Great British Bake Off, Channel 4, 8pm
IT’S week two and the remaining 11 bakers face Cake Week, starting with a crowd-pleasing signature challenge. Next, the bakers face Prue Leith’s first technical, a complicated cake with a very unusual ingredient. Finally, an ambitious chocolate-collared showstopper turns up the heat in the tent. Sandi Toksvig and Noel Fielding present, while series regular Paul Hollywood and Prue pass judgment before another baker leaves the contest.

The Joy Of AI, BBC4, 9pm
WHETHER you are worried about a Westworld-style robot uprising or losing your job to a self-driving car, for some people the idea of artificial intelligence is deeply concerning. But in this documentary, Professor Jim al-Khalili is taking a more optimistic approach as he explains why we shouldn’t be spooked by machines that simulate or even outperform the human mind. In the process, he learns how spam filters keep dodgy emails out of your inbox, how to fool a computer into thinking it’s looking at a trombone rather than a dog and the surprising role that a 1980s Atari game has played in the development of AI technology.

Killer In Our Classroom: Never Again
BBC1, 11.45 ON Valentine’s Day, the Marjory Stoneman Douglas High School in Parkland, Florida, hit the headlines when it became the site for America’s latest mass shooting. Former pupil Nicholas Cruz returned to the campus, opening fire with a semi-automatic rifle, killing 14 pupils and three staff, and injuring many more.

Filming on this documentary began shortly after the shooting took place and reveals how some of the pupils coped during the aftermath, and how it has changed their lives.