This filmmaker spent the last three years following one family through the refugee crisis – from the war in Syria to the escape. Marcel Mettelsiefen is here to answer your questions about Children on the Frontline with Jon Snow - put them in the comments below. | Channel 4 News

Squaddies on the Frontline tells the story of the British Army's experience of the conflict, with testimony from ‘ordinary’ rank soldiers and some commanders. It’s part of a range of films looking at different frontline roles, including nurses, drivers & security. 9pm on BBC One NI | BBC Northern Ireland

FRONTLINE traces Donald Trump’s return to the presidency, overcoming unprecedented obstacles and opposition. With insider interviews, the documentary examines defining moments over his life and career, his 2020 election loss, felony convictions and his historic comeback. Premieres Tuesday, Jan. 21 on PBS. | FRONTLINE | PBS