Staying in tonight? Here's the pick of what's on the box
The Eurovision Song Contest Semi-Final, drama in The Honourable Woman and sharks on the rampage
The Eurovision Song Contest Semi-Final
Coverage of the second semi-final from the Wiener Stadthalle in Vienna, Austria, as a further 17 acts take the stage in the hope of progressing to Saturday's final, with 10 places still up for grabs. Ireland's entrant Molly Sterling is among those taking part tonight, performing her track Playing with Numbers. Commentary comes from Marty Whelan.
After a major redevelopment has taken place at the Chilean flamingo habitat, the big day has finally come for the hand-reared flamingo chicks to be reintroduced to the rest of the flock and familiarise themselves with their new home.
The Honourable Woman
Realising Israeli powers only ever wanted to use the Steins for their own political and intelligence affairs, Nessa angrily forges ahead with the data-cabling initiative in partnership with Palestinian businessman Jalal El-Amin, but events take a dark turn during a visit to the West Bank. Meanwhile, Shlomo and Hayden-Hoyle both discover the CIA was also aware of the Israeli wiretap, with Monica Chatwin helping them to spy. Stars Maggie Gyllenhaal.
A look at how scientists are challenging traditional perceptions of sharks, with breakthroughs regarding the creatures' intelligence and social skills presenting them in a surprising new light. The programme also highlights some researchers' beliefs that studying the predators could help to solve some of the most pressing medical challenges of the 21st century. Narrated by Paul McGann. Last in the series.
New series. A pair of brothers come face to face with the brutality of the battlefield when they are sent to fight in the First World War campaign, finding themselves caught up in a chaotic fight for the Turkish heights. Drama, starring Kodi Smit-McPhee and Harry Greenwood.