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Ed Balls' interviews with Labour MP Zarah Sultana and his wife, home secretary Yvette Cooper, were both met with a backlash from viewers.
Shockingly, more than half of the list is from the last five years.
The TV watchdog previously said GB News was "on notice" after breaching guidelines on more than one occasion.
More than 100 people complained to the TV watchdog after Denise and a former royal press spokesperson's heated exchange.
CBB fans were not happy about the way this scene played out.
An episode of Dan Wootton's GB News was the most complained-about broadcast of 2023.
Hundred of complaints have been made since the PM's appearance on GB News a week ago.
Hundreds of viewers complained after remarks made by Lorraine during the former UKIP leader's I'm A Celebrity stint.
No prizes for guessing what topped the list.
The current series of the long-running ITV reality show got off to a controversial start.