Jed Mercurio's police drama was named the UK's highest-rated TV drama in 13 years. The penultimate episode became the show's most-watched with an impressive average of 11 million viewers tuning in to watch Ryan Pilkington's exit. The finale faired even better, beating its own record after being watched by an average of 12.8 million viewers. But will there be another series? Vicky McClure as DI Kate Fleming and Martn Compston as DI Steve Arnott in Line Of Duty (Steffan Hill/BBC/PA) Will Line Of Duty return for season seven? BBC has yet to confirm if there will be another series of Line Of Duty.