Good Morning Britain visited the set of Broadchurch whilst series 3 was being filmed last year.
They chatted to David Tennant, Olivia Colman and Sir Lenny Henry about the drama.
David and Olivia stayed quiet about the secrets of the show with Olivia admitting "We genuinely have no idea what happens! We might all fall off a cliff." She also had a suggestion for a new role for David once the series ends...

Watch the interview below: