The king of panto
It ran half an hour longer than usual as the cast - led by Gerard Kelly - ad-libbed, wisecracked and generally behaved as if they hadn't been performing two shows a days for weeks - with only one day off for Christmas.
At the end of the show, there was a special presentation to Kelly - to mark the fact that this was his 20th year on stage at the King's in pantomime.
Sadly, as we learned this morning, that was his last panto performance.
He died in hospital after collapsing in his London home of a suspected brain aneurism.
He was always modest about his role as the uncrowned king of Scottish panto.
He fell into it by accident, appearing first with Walter Carr and then year after year, he'd clear his diary and return to Glasgow for another season at the King's.
Even non panto fans were blown away by his exuberance, his cheeky ad-libbing and his ability to warm up an audience.
I interviewed him last year on a rainy Monday morning, just before a 10.30am performance - the first of three that day.
Did he never get tired, or worn down, or catch a cold and just wish he could give it a miss?
"Listen to that," he said, as scores of teeny sugar-fuelled school children passed the door.
"For some of them, this will be the first time they've been in a theatre. They love it - the songs, the costumes, the jokes - and I get to bring that to them. How can you not be excited by that?"
Kelly, as he was known to friends (the Gerard was for his Equity card, his real name is Paul Kelly) was known as a comedy actor.
But he did serious roles too - thuggish Scots in both Eastenders and Brookside, Felix in the Odd Couple on stage with Craig Ferguson, and then later Andy Gray.
His performance as a priest in the Ken Loach film Ae Fond Kiss is terrifying - in marked contrast to the charm he exuded in his comedy roles.
He's hilarious sending up camp theatrical types as Bunny in three episodes of Extras.
Ricky Gervais on his blog today says 'He was a lovely bloke and an excellent actor.'
Juliet Cadzow, who was protesting school closures outside the Labour Party conference in Oban, said he was natural raconteur but was also engaged with politics and current affairs.
"He liked nothing better than going home, getting a glass of wine and a cigarette and firing off emails to people and programmes about all the things he really cared about. He was a lovely man and will be hugely missed."
Elaine C Smith agrees that his sense of humour was matched by his love of politics.
"One of my fondest memories is of me dressed as a fairy and Gerard as "wishy washy" as we stood discussing the situation in Palestine," she says.
David Hayman, who first worked with him in 7:84 and then cast him in the Slab Boys trilogy, also recalled his ability to reduce people to tears of laughter with his daft stories.
"He just wanted to be loved," he says," and he was."
Jeanette Krankie recalls meeting him in the BBC canteen in Shepherd's Bush where he was playing a young police man in Juliet Bravo.
"He was a great comedy actor and Pantomime performer, in the true Scottish style of Stanley Baxter, Ricky Fulton, Jimmy Logan, also proving he could turn his talent to straight acting playing some great parts on numerous TV soups and dramas."
The King's Theatre say they'll decide on Monday what will happen with this year's panto, but Kelly's name will remain on the posters as a mark of respect.
But for thousands of fans, Scottish pantomime just won't be the same.