Lorraine Kelly has admitted to not keeping up with Vigil after finding Suranne Jones' character "really annoying".
The ITV daytime host was discussing the hit series with TV journalist Ria Hebden when she made the startling revelation.
The BBC One drama focuses on a murder onboard a British nuclear submarine, and stars Doctor Foster's Suranne Jones as Inspector Amy Silva.
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Vigil concluded on Sunday night in a finale that divided viewers, with some calling the ending "flat".
Nonetheless, the series has been a massive success for BBC, attracting more than 10 million viewers over its first seven days - making it the most watched new drama of 2021 so far.
Fans have been calling for a second series, though it is unknown whether Jones would return for a follow-up.
As reported by The Mirro r, Ria asked Lorraine: “So, Vigil, are you watching this because this is epic?”
Lorraine then revealed: “Well, I’m behind.”
“This is one to binge-watch,” commented Ria, “this is currently the BBC’s most-watched drama of the year so far.”
Ria described the show for newcomers and also mentioned the scary cliffhanger from its penultimate episode.
Lorraine then said of Jones: “I do love her - Gentleman Jack remains my favourite thing in the world - but she’s really annoying me in that which is why I’ve not kept up with it but I definitely will.”