TV Highlights Monday
RTE One, 9.35pm
This absorbing feature-length documentary tells the extraordinary story of Limerick man Ger McDonnell, who in August of 2008 lost his life trying to rescue fellow climbers after an ascent of the notoriously treacherous Himalayan peak K2 went disastrously wrong.
RTE One, 7.30pm
In this intriguing new reality show, three groups of Irish students, including Sinead (right) and three teachers swap their schools and classes to follow the sometimes challengingly different routines of schools in Poland, Finland and Spain. Secrets of the Living Dolls
Channel 4, 10.00pm
A look at the fascinating American trend of 'female masking', where men use ultra-tight female body suits to transform themselves into women, like Tiff (right). Many of them have secret alter egos they've been using for years.The Bletchley Circle
As the drama about the Bletchley Park codebreakers returns for a new series, Alice (Hattie Morahan, right) is in prison and awaiting trial for the murder of John Richards. But Jean is convinced she's innocent and asks the circle to help her prove it.