THe soap's 30th anniversary live week blew up the internet after Tanya Branning accidentally said "How's Adam?" when asking after character Ian Beale.
Jo Joyner botched up her big on-screen comeback by mistakenly referring to the actor's name - Adam Woodyatt - which was met with a look of panic and confusion by his on-screen wife Jane Beale.
Viewers on Twitter lapped it up - and though she said she was "gutted" about her cock-up, Jo took it in good humour, adding: "[At] least you know it's live!"
Tensions were already running high as the soap reaches its 'Whodunnit' climax tonight - when the nation will finally find out who killed Lucy Beale after ten months of speculation and furious betting.
Here are some of the biggest on-screen blunders of all time:
What a doughnut!
Probably the most famous blooper on British television was when the husband of TV cook Fanny Cradock claimed to the camera "May all your doughnuts look like Fanny's" - a rather damning double-entendre.
Burtation
Award-winning journalist Serene Branson had a bit of an on-screen nightmare when reporting a the 2011 Grammy Awards for KCBS. She inexplicably started garbling her words and came out with a "heavy burtation" - which became an internet sensation. She was examined by paramedics and given a lift home just incase, and it transpired that she had suffered a very bad migraine - with outward symptoms similar to a 'mini-stroke.' She has campaigned to raise awareness of migraines and brain health, so at least something positive came of the incident.
Weatherman gives newsreader the finger.. and the camera catches him
BBC news presenter makes a sarcastic jibe when passing over to the weather report, and meteorologist Tomasz Schafernaker makes a certain gesture back. He tried to cover it up by pretending he was scratching his chin, but it was just too late!
If you can't make it out, here it is:
Countdown Cringe-Reel
This game show has played host to several bloopers in its 32 year history due to the inherent unpredictability of what letters you'll be landed with - and it makes it worth watching.
Journalism can be a dangerous game
A poor piece of picture research at ITV news in what was their newest current affairs programme 'Exposed: Gaddafi and the IRA.' Instead of including genuine footage, they includes clips of a helicopter being shot down from the 2009 console game Arma 2. Awful mistake.
The one with the wrong guy
The BBC interviewed Guy Goma who was in the studio for an interview in the belief that it was an IT expert Guy Kewney - after the producer picked the poor man up from the wrong reception.
Australia's Next Top Model
Sarah Murdoch broke hearts after accidentally crowning the wrong winner of the 2010 competition. Confetti fell and flares lit up the stage, rapturous excitement builded as Kelsey Martinovich believed that she had been victorious - before the presenter admits that it was actually Amanda Ware that had won, and the minder had given her the wrong results through the microphone. Criiiinge.
Sissons goes t**s-up on live television
Reporter Peter Sissons from BBC News 24 made an embarrassing cock-up live on air when watching footage. He exclaimed: "That's not Ann Robinson, is it? Jesus Christ, she's even got new t**s!"
Unbeknownst to him, the camera was rolling and thousands were watching him.
John Charles learns the hard way
Never underestimate the power of punctuation and breathing.
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