Poor old Aengus Mac Grianna.
The RTÉ newsreader had what can only be described as 'a Ron Burgundy moment' in the short but sweet video above, which is now winging its way around the world.
MacGrianna doesn't think that he's on air, you see... And his reaction when he realises is priceless.
And if that's put you in the mood for more hilarious on-air shenanigans, well, you're in luck. Check out our collection of more epic news bloopers...
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