This was the first of many controversial storylines in EastEnders history.
The former real-life husband and wife, who announced their split in December 2010, were onboard with the controversial storyline.
The series has been praised for this edgy and at times controversial storyline.
Cat was featured in a controversial storyline where she was raped.
Over the years the series dealt with storylines controversial for the times.
She is one of six series regulars, usually at the center of the show's sometimes boundary-pushing and controversial storylines.
Viewers had a need for the show to tell this controversial storyline responsibly.
The character was involved in a controversial storyline in Rescue Me's third season.
This was given in the form of the controversial storyline "Emerald Twilight."
When asked about the controversial storyline, he replied, "I'm all for gang rape."