BBC Breakfast star Naga Munchetty hit out at her co-host Charlie Stayt during an outside segment on today's programme.
Naga clashed with Charlie, accusing him of ignoring her and abandoning the show.
However, the 47-year-old seemed to be unaware that she was being broadcast live on TV.
Charlie was filmed riding a bike outside the Salford Quays studio when he asked his fellow cyclist if they should go off and get a coffee.
This prompted Naga to protest from her spot on the studio's sofa.
She said: "Er no, Mr Stayt. No. Mr Stayt, you are due back in the studio.
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"He's ignoring me again, again ignoring me - can someone just go out and get him please?
"Look at that. It's ridiculous. Seriously, we've an hour and a half of broadcasting left to do."
She later turned to the camera to address viewers and said: "I am going to get someone out to bring Mr Stayt back to the studio. He will be back, trust me."
This latest incident comes just one day after Naga was left in hot water for a remark she made about the Eurovision Song Contest.
One of her colleagues has accused her of being overly critical of the show.
During Friday's episode, Eurovision correspondent David Sillito was previewing the event via a video link.
During the chat with David, Naga said: "That was our speculation about how the voting would go, and I would not say it's a fair process always, would you?"
David responded by saying: "I would say it is evidently fair, that's an outrageous slur on poor Eurovision there."
Eurovision returns to BBC One tonight and will be broadcast from 8pm.
While Ukraine are favourites to win this year's contest, UK hopeful Sam Ryder is also being backed for big things and is reportedly third favourite with bookies.
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