Kiefer Sutherland took happy hour to the extreme Tuesday ... boozing his face off at a downtown L.A. bar ... so much so he needed nearby pedestrians for support.
Kiefer -- who has been twice-convicted of DUI -- did not break the law. In fact, the bar manager at King Eddy Saloon says Kiefer himself realized he had too much J&B scotch and cut himself off.
K.S. wasn't driving ... he left that to his bodyguard. We contacted Kiefer's rep -- so far, no comment.
Kiefer Sutherland just scared the living crap out of a perfectly innocent Christmas tree ... pretending to form tackle the fur ... in a new holiday card intended to spoof his famous tree dive of '06.
If you recall, Kiefer ferociously murdered a suspicious-looking Xmas plant in a London hotel during the filming of the documentary "I Trust You to Kill Me" ... possibly because he may have been drunk at the time.
Now, Sutherland has mocked the incident ... posting the greeting card to his Twitter page.
Pretty funny ... but nothing beats the real thing.
Kiefer Sutherland knows a thing or two about partying -- which is why we asked him about the secret to curing hangovers ... especially around the holidays when he busts out one awesome tradition.
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We know Jack Bauer, aka Kiefer Sutherland, could save L.A. from a nuclear threat during "carmageddon" -- but how about special agent Levin? Feel the burn.
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CARMAGEDDON IS COMING ... but fear not citizens of L.A. ... because if a nuclear threat emerges while the freeways are down ... there's still one man who knows how to react -- JACK BAUER!!!
Just a few hours after he was reportedly tossed out of a London strip club, Kiefer Sutherland appeared as a guest on the popular UK talk show "Friday Night with Jonathan Ross."
As the old saying goes: A sober man's thoughts are a drunk man's words.
Kiefer Sutherland went to a nudie bar in London last night -- only he was the one who took his clothes off ... before getting thrown into the street.
According to reports, Sutherland was acting crazy-- dancing and shouting -- at the Stringfellows "lap dance club."
After reportedly getting into it with somebody inside the club, bouncers were seen grabbing a shirtless Sutherland around 3:30 AM and throwing him out the door.
On its website, Stringfellows says security wasn't grabbing Kiefer -- merely "helping him into his car."
The "24" star eventually ended up in a nearby car -- where he sat, shirtless, for some period of time.
Before Justin Bieber went toe-to-toe with a photographer -- sparking a police investigation -- he trained with "Iron" Mike Tyson! Wondering how they ended up together? Well, we got Tyson on the phone ... and you won't believe his excuse for kicking it with Biebs. Plus,…