Derry Girls is a British period teen sitcom set in Northern Ireland, created and written by Lisa McGee, that premiered on 4 January 2018 on Channel 4 and ran for three series. The channel's most successful comedy since
Father Ted, the series was inspired by McGee's own experiences growing up in Derry, Northern Ireland, in the 1990s, during the final years of the Troubles. It stars Saoirse-Monica Jackson, Louisa Harland, Nicola Coughlan, Jamie-Lee O'Donnell, and Dylan Llewellyn as five teenagers living in mid-1990s Derry while attending Our Lady Immaculate College, a fictional girls' Catholic secondary school based on the real-life Thornhill College, where McGee herself studied. Produced by British production company Hat Trick Productions,
Derry Girls was filmed in Northern Ireland, with most scenes shot on location in Derry and some in Belfast.