If you want to avoid Coronation Street spoilers, look away now.

Actress Helen Worth, who plays one of the soap's longest-serving characters Gail Rodwell, appeared on today's This Morning and gave away a major storyline to be aired next week. Helen appeared on the show alongside Kate Oates, TV producer for Coronation Street and mentioned how she didn't know about any of the storylines coming up, including the one where William Roache (Ken Barlow) has a stroke. Image via ITV This Morning The slip of the tongue was quickly picked up by viewers who started to tweet about it.

@ITV @itvcorrie has Gail platt just leaked on tv #kenbarlow will have a stroke this week ?

— CC (@chiarawynderc6) October 17, 2016

Helen Worth (Gail in #Corrie) just revealed that #KenBarlow will be having a stroke in the show! Think she said it by accident! @itvcorrie — ◾ T I M ◾ (@TheTimble) October 17, 2016

Think Helen Worth might have slipped out a big #Corrie spoiler there ? Stroke for Ken this week?

— Craig Laurenson (@Craig247) October 17, 2016

Yikes. Now that is one major spoiler.