Ah. Well, actually, I am a knight of the Round Table.

5 seconds sound clip from the Monty Python and the Holy Grail movie soundboard.

You can hear this line at 00:34:22 in the Blu-ray version of the movie.

Quote context

[...]

- What do you want?

- To fight and...

- Shut up! (4)

- Um... Oh! Nothing. Nothing, really. Just to pass through, good Sir Knight.

- I'm afraid not.

- Ah. Well, actually, I am a knight of the Round Table.

- You're a knight of the Round Table?

- I am. (2)

- In that case, I have to kill you.

- Shall I?

[...]