- Excuse me, but what exactly am I doing with this fish in my ear?
- It's translating for you. Look in the book under Babel Fish.

Arthur Dent (Simon Jones), Ford Prefect (David Dixon)

7 seconds sound clip from The Hitchhiker's Guide to the Galaxy (1981) - Episode 1 sitcom.

You can hear this line at 00:27:57.108 in the Blu-ray version of the TV Series.

Quote context

[...]

- Message ends.

- Poetry?

- What are you doing?

- Preparing for hyperspace. It's rather unpleasantly like being drunk.

- What's so wrong about being drunk?

- Ask a glass of water.

- Now, lie down. On your back. Grip the towel between your ankles like this.

- What?

- Just do it!

- Like this?

- Right. Now, wait.

- Excuse me, but what exactly am I doing with this fish in my ear?

- It's translating for you. Look in the book under Babel Fish.

- What's happening?

- We're going into hyperspace!

- I'll never be cruel to a gin and tonic again!

- The Babel fish is small, yellow, leech-like, and probably the oddest thing in the universe.

- It feeds on brainwave energy, absorbing all unconscious frequencies and then excreting telepathically a matrix formed from the conscious frequencies and nerve signals picked up from the speech centers of the brain.

[...]