Fans are still laughing their heads offat Fred Armisen's new "Saturday Night Live" sketch, "Farewell, Mr. Bunting," which was declared an "instant classic."

SNL isn't always "live" when you consider all of the pre-taped bits, which are often the strongest segments of the week. But millions of viewers still watch live on Saturday night, and that was the best way to see this "Dead Poets Society" spoof, because the live reactions from the studio audience and Twitter were priceless.

Check it out:

It was only a matter of time before the ceiling fans attacked. We tried to warn people...

No one saw that brilliant twist coming during the live show, and you can hear the shocked guffaws. Here are some of the reactions online:

If only SNL would do more sketches like this.

[via: EW]

Want more stuff like this? Like us on Facebook.