- D-O-Y, doy.
- Doy. Doyo.
- U, G...
- Doyug.
- Ah! E-T! 'Do you get...'

13 seconds sound clip from The Hitchhiker's Guide to the Galaxy (1981) - Episode 6 sitcom.

You can hear this line at 00:32:25.410 in the Blu-ray version of the TV Series.

Quote context

[...]

- Well, it might give us a clue.

- Well, if it's in your brain, how are we going to get at it?

- If it's in my brain and I don't know how to reach it, suppose we introduce some random element which could be shaped by the brain-wave pattern?

- Such as?

- Pulling out letters from the Scrabble bag.

- Brilliant!

- Right.

- Right.

- Right, first four letters. W-H-A-T, what.

- Great. It's working.

- D-O-Y, doy.

- Doy. Doyo.

- U, G...

- Doyug.

- Ah! E-T! 'Do you get...'

- What... Do... You... Get?

- If... Y-O-U... M-U... You... Mul... T-I-P-Y.

- Multiply!

- S-I... Six. N-I... N-E. Nine! Six by... Nine.

- Is that it?

- That's it.

- Six by nine? 42?

[...]