Harvey Korman once admitted that the most frightening part of working with Tim Conway had nothing to do with live television, forgotten lines, or bombing in front of millions.

It was something far worse.

Tim Conway never followed the rehearsal.

Not occasionally.
Not by accident.
By design.

And on one familiar sketch — one they had performed before, one that was moving exactly as planned — Conway made a choice that would permanently expose the thin line between acting and survival.

Harvey Korman once admitted that the most frightening part of working with Tim  Conway was simple: Tim never followed the rehearsal. In one familiar  sketch, everything was moving exactly as planned. Same

WHEN EVERYTHING WAS “NORMAL” — UNTIL IT WASN’T

The sketch began smoothly. Same lines. Same pacing. Same setup the cast knew by heart. Harvey Korman was locked in — professional, precise, in control.

Then Tim Conway casually added a detail that did not belong to any known form of logic.

Not absurd in a clever way.
Not exaggerated.
Just… wrong.

Harvey heard it.
You can see the moment it lands.

Tim Conway and Harvey Korman Are Hilarious in Airline Security Sketch -  Positive Stories | Crosswalk.com

His face freezes.
His eyes flicker.
His throat tightens as he swallows hard — a man realizing the floor beneath him is no longer solid.

This wasn’t acting.
This was a brain trying to recover in real time.

LAUGHTER AS A DEFENSE MECHANISM

What followed is often remembered as one of the funniest breaks in television history. But those who knew Korman understood the truth:

Harvey wasn’t laughing because the line was funny.

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He was laughing because there was no safe way out.

To continue would mean acknowledging nonsense.
To stop would destroy the sketch.
To regain control was impossible — because Tim Conway had already escaped logic itself.

Conway, meanwhile, remained perfectly calm. Innocent. Unbothered. The chaos wasn’t loud — it was surgical.

“He knew exactly when to do it,” Korman later admitted. “And he always waited until you were trapped.”

UNSCRIPTED COMEDY AT ITS MOST DANGEROUS

This wasn’t scripted comedy anymore.
This was survival.

The audience sensed it instantly. They weren’t just laughing at the joke — they were laughing at the human reactionunfolding in front of them. A seasoned professional being undone by a single, impossible sentence.

Tim Conway didn’t try to steal scenes.
He detonated them — quietly.

That moment remains unforgettable not because it was planned, but because it wasn’t.

It revealed something rare about comedy: the funniest reactions are often the most honest ones. Harvey Korman’s laughter wasn’t performance — it was surrender.

And Tim Conway?
He wasn’t improvising to be funny.
He was improvising to see what would happen when logic itself collapsed.

Harvey Korman survived the sketch.
The audience survived the laughter.

But no one who saw that moment ever forgot it — because they didn’t just watch comedy.
They watched a master deliberately remove the safety net… and another genius realize there was nowhere left to stand.