...Kimball and Kaminsky aboard...
...already in hibernation after four months of separate training on their own.
You working up your crew psychology report?
Of course, I am.
Sorry about this. I know it's a bit silly.
Just a moment.
I have just picked up a fault in the AE-35 unit.
It's going to go 100 percent failure within 72 hours.
-You are still within operational limits? - Yes.
And it will stay that way until it fails.
Would you say we had a reliable 72 hours until failure?
Yes. Thats a completely reliable figure.
We'll have to bring it in, but I'd like to go over this with Frank...
...and get on to Mission Control. Let me have a hard copy of it, please.
X-Ray Delta One, this is Mission Control.
Roger to your Two-zero-one-three.
Sorry you fellows are having a bit of trouble.
We are reviewing telematic information in our Mission Simulator and will advise.
Roger your plan to go EVA and replace Alpha-Echo-35 unit prior to failure.
Prepare B pod for EVA, Hal.
Open the pod doors, Hal.
Well, Hal, I'm damned if I can find anything wrong with it.
Yes...
...it's puzzling.
I dont think I've ever seen anything quite like this before.
I would recommend...
...that we put the unit back in operation and let it fail.
It should then be a simple matter to track down the cause.
We can certainly afford to be out of communication...
...for the short time it will take to replace it.
X-Ray Delta One, this is Mission Control.
Roger your One-niner-three-zero.
We concur with your plan to replace Number One unit to check fault prediction.
We should advise you, however, that our preliminary findings...
...indicate that your onboard Niner-triple-zero computer...
...is in error predicting the fault.
I say again, in error predicting the fault.
I know this sounds rather incredible, but this conclusion is based on...
...results from our twin Niner-triple-zero computer.
We are skeptical ourselves and we are running crosschecking routines...
...to determine reliability of this conclusion.
Sorry about this little snag, fellows.
Well get this info to you just as soon as we work it out.
X-Ray Delta One, this is Mission Control.
Two-zero-four-nine. Transmission concluded.
I hope the two of you are not concerned about this.
No, I'm not, Hal.
Are you quite sure?
-Yeah. I'd like to ask you a question. -Of course.
How would you account for the discrepancy...
...between you and the twin 9000?
Well, I dont think there is any question about it.
It can only be attributable to human error.
This sort of thing has cropped up before...
...and it has always been due to human error.
Listen, Hal...
...there's never been any instance at all of...
...a computer error occurring in a 9000 Series, has there?
None whatsoever, Frank.
The 9000 Series has a perfect operational record.
Of course, I know the wonderful achievements of the 9000 Series, but....
Are you certain there's never been any case of even the most...
...insignificant computer error?
None whatsoever, Frank.
Quite honestly, I wouldnt worry myself about that.
Well, I'm sure you're right, Hal.
Fine, thanks very much.
Oh, Frank?
I'm having trouble with my transmitter in C pod.
Would you come down and take a look at it with me?
See ya later, Hal.
Rotate C pod, please, Hal.
What sort of trouble have you had, Dave?
I've been getting some interference in D channel.
We'll have a look at it.
Open the door, Hal.
Rotate the pod, please, Hal.
Stop pod rotation, please, Hal.
Rotate the pod, please, Hal.
I don't think he can hear us.
Rotate the pod, please, Hal!
Yeah, sure, we're okay.
What do you think?
-I'm not sure. What do you think? -I've got a bad feeling about it.
-You do? -Yeah. Definitely.
Don't you?
I don't know. I think so.
Of course, he's right about the 9000 Series having a perfect operational record.
They do.
Unfortunately, that sounds a little like famous last words.
Yeah. Still, it was his idea to carry out the failure mode analysis, wasn't it?
It should certainly indicate his integrity and self-confidence.
If he were wrong it would be the surest way of proving it.
It would be if he knew he was wrong.
Look, Dave, I can't put my finger on it, but I sense something strange about him.
I can't think of a good reason not to put back the Number One unit and...
-...carry on with the failure mode analysis. -No, no, I agree about that.
Let's get on with it.
Okay. But, look, Dave.
Let's say we put the unit back and it doesn't fail, huh?
That would pretty well wrap it up as far as Hal was concerned, wouldn't it?
-Well, we'd be in very serious trouble. -We would, wouldn't we?
What the hell can we do?
-We wouldn't have too many alternatives. -I don't think we'd have any alternatives.
There isn't a single aspect of ship operation that's not under his control.
If he were proved to be malfunctioning...
...I don't see how we would have any choice but disconnection.
I'm afraid I agree with you.
There'd be nothing else to do.
-It'd be a bit tricky. -Yeah.
We'd have to cut his higher brain functions...
...without disturbing the purely automatic and regulatory systems.
We'd have to work out the transfer procedures...
...for continuing the mission under ground-based computer control.
Yeah. That looks far safer than allowing Hal to continue running things.
You know, another thing just occurred to me.
As far as I know, no 9000 computer has ever been disconnected.
Well, no 9000 computer has ever fouled up before.
That's not what I mean.
I'm not so sure what he'd think about it.
Prepare B pod for EVA, Hal.
Made radio contact with him yet?
The radio is still dead.
-Do you have a positive track on him? - Yes. I have a good track.
Do you know what happened?
I'm sorry, Dave. I dont have enough information.
Open the pod door, Hal.
Open the pod bay doors, please, Hal.
Hello, Hal, do you read me?
Do you read me, Hal?
Hello, Hal, do you read me?
Do you read me, Hal?
Affirmative, Dave. I read you.
Open the pod bay doors, Hal.
I'm sorry, Dave. I'm afraid I cant do that.
What's the problem?
I think you know what the problem is just as well as I do.
What are you talking about, Hal?
This mission is too important for me to allow you to jeopardize it.
I don't know what you're talking about, Hal.
I know that you and Frank were planning to disconnect me...
...and lm afraid thats something I cannot allow to happen.
Where the hell did you get that idea, Hal?
Although you took very thorough precautions in the pod...
...against my hearing you...
...I could see your lips move.
All right, Hal.
I'll go in through the emergency air-lock.
Without your space helmet, Dave...
...youre going to find that rather difficult.
Hal, I won't argue with you any more..
Open the doors!
This conversation can serve no purpose any more.
Goodbye.
Hal?
Just what do you think you're doing, Dave?
I really think I'm entitled to an answer to that question.
I know everything hasn't been quite right with me...
...but I can assure you now...
...very confidently...
...that its going to be all right again..
I feel much better now.
I really do.
Look, Dave...
...I can see you're really upset about this.
I honestly think you ought to sit down calmly...
...take a stress pill and think things over.
I know I've made some very poor decisions recently...
...but I can give you my complete assurance...
...that my work will be back to normal.
I've still got the greatest enthusiasm and confidence in the mission...
...and I want to help you.
Dave...
...stop.
Stop, will you?
Stop, Dave.
Will you stop, Dave?
Stop, Dave.
I'm afraid.
I'm afraid, Dave.
My mind is going.
I can feel it...
I can feel it.
My mind is going.
There is no question about it.
I can feel it.
I'm...
...afraid.
Good afternoon...
...gentlemen.
I am a HAL-9000 computer.
I became operational...
...at the HAL plant...
...in Verbana, Illinois...
...on the 12th of January, 1992.
My instructor was Mr. Langley...
...and he taught me to sing a song.
If youd like to hear it...
...I can sing it for you.
Yes, I'd like to hear it, Hal.
Sing it for me.
It's called "Daisy".
"Daisy"
"Give me your answer, do"
"I'm half..."
"...crazy"
"All for the love of you"
"It won't be a stylish marriage"
"I cant afford a carriage"
"But you'll look sweet"
"Upon the seat"
"Of a bicycle made for two."
Good day, gentlemen..
This is a prerecorded briefing...
...made prior to your departure...
...and which for security reasons of the highest importance...
...has been known on board during the mission...
...only by your HAL-9000 computer.
Now that you are in Jupiters space...
...and the entire crew is revived...
...it can be told to you.
Eighteen months ago...
...the first evidence of intelligent life off the Earth...
...was discovered.
It was buried 40 feet below the lunar surface...
...near the crater "Tyco".
Except for a single very powerful...
...radio emission aimed at Jupiter...
...the four-million-year-old black monolith has remained completely inert.
Its origin and purpose...
...are still a total mystery.