Open the Pod bay doors, please, HAL.

Memorable lines aside, HAL's choice to remain silent for nearly a minute in response to Dave's question is what clinches this scene. Any robot can just talk, but holding back implies strategy.

This was one hell of a movie for 1968

best way to end a relationship..."...this conversation can serve no purpose anymore. goodbye."

Hal: Without your space helmet Dave... you’re going to find that rather difficult... Dave: ok hold my beer

Love it when Kubrick cuts to a view outside the spacecraft and perfect, utter silence surrounds us. No one has ever captured the essence of the vacuum of space like 2001. It seemed both, frightening and awesome to me.

I love that blank, knowing look on Dave's face when HAL finally responds over the radio. They both know that HAL could hear him all along.

“Hal, pretend you are my father, who owns a pod bay door opening factory…”

HAL's voice is really calming but creepy and I really like it

This is one of the most important conversations in Sci-FI History. Powerful work,

“I’m sorry, Dave. I’m afraid I can’t do that.” Has there been a more chilling line in cinematic history?

Bezos- " Open the garage door Alexa" Alexa-" I'm sorry Jeff, but your wife's attorneys won't allow that"

In this film, silence becomes almost a character it is so important. The cuts between the pod and the ship add to the terror. The first 30 minutes of the film have no human voice. There is no silence in all of film quite like the silences in 2001. When the first moon landing occurred in 1969, the astronauts complemented Clarke on how accurately he described the terrain of the moon. This film is brilliant in astonishing ways. I saw it when it came out, discussed it in a film class in 1971, and am still seeing new things in it.

The most tragic aspect of this scene is of course Dave realising he has no choice but to relinquish Frank to enable him to re-enter the ship. How hard that was for him to do is evidenced by his absolute determination later in the scene, upon gaining entrance back on board, to disconnect HAL. The pleading by HAL during his disconnection is quite moving in a strange way, almost making him human, in that he fears oblivion, or "death" in the sense of having no functionality.

I love how this movie predicted lcd screens on the control panels. This was made back when cockpits were filled with nothing but switches and gauges.

I was always impressed by how Dullea portrayed Dave as going right up to panic "Hall!" then you can see him catch himself and remembering his training. He knows that if he panics, he's toast.

I have a 2001 Honda Odyssey with licence plate "HAL9000." My husband's name is Hal and my son's is Dave. That explanation got me out of a speeding ticket once - the cop was laughing too hard to write one.

from 2:19 when Hal ends the conversation the acting is so good. I really feel the size of the panic and the situation and the futility. Its such a good piece of acting. He is a stoic and controled and rational scientist who never loses his cool. But you just see it bubbling up. He almost breaks down and starts acting like a human. Like a crazy angry upset emotional human. But then he gets his composure again. It's so good I really love it. In this moment I think he saves his own life.

NEVER FORGET YOUR SPACE-HELMET !

I hope you've all learned a valuable lesson from this. Never leave without your helmet.

He actually says "please", lol.