It started off with Rio Ferdinand saying "let's go" and ended with him in hospital.
It's a day every Manchester United fan will want to forget.
So here is how social media reacted to their 5-0 home walloping by Liverpool.
The day began with so much promise...
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Five minutes in and Naby Keita gave Liverpool the lead. Olympic legend, former Central Coast Mariners trialist and United fan Usain Bolt said it was a "joke". If only he knew what was to follow.
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Eight minutes later a "shambles" as Diogo Jota doubled the Reds' lead.
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Mohamed Salah scored twice to make it 4-0 at the break and some were even wondering if Ole Gunnar Solskjaer would still be the manager in 15 minutes' time.
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United brought on Paul Pogba at half-time. Some weren't sure he was the man to "put a tackle in". More on that in a minute.
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It could be worse though, Salah could score a hat-tri... oh.
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Still, at least Ferdinand was at home to enjoy it in his comfortable warm hous... oh.
At least the fans were staying behind to support their tea... oh.
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At least Sir Alex Ferguson was having a good ti... oh.
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It turns out Pogba could put a tackle in, but not a good one. He was sent off after 15 minutes for a bad challenge on Keita, who was taken off on a stretcher.
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Cristiano Ronaldo escaped a possible red card in the first half and had a goal disallowed by VAR in the joint-worst defeat of his career. Apt that it came on El Clasico day.
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South Africa's 400m Olympic and world champion - and Liverpool fan - Wayde van Niekerk was enjoying it - and even tagged Bolt in.
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At least Bolt can wake up now.
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And so onto the fall-out...
Trent Alexander-Arnold thinks Salah is the best player in the world - and his fellow Reds lapped it up.
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United should have expected the worst. It is October after all.
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Ex-Liverpool keeper David James also enjoyed it.
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Ex-United midfielder Bastian Schweinsteiger less so.
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Paul Ince played for both teams so who knows?
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Boris Becker might not know his way around an apostrophe - but he has an idea for who could replace Solskjaer.
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And it looks like Liverpool defender Ibrahima Konate enjoyed his evening.
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Source: bbc.com