No, it isn't.
3 seconds sound clip from the Monty Python and the Holy Grail movie soundboard.
You can hear this line at 00:15:05 in the Blu-ray version of the movie.
Quote context
[...]
- Now, stand aside, worthy adversary.
[...]
Monty Python and the Holy Grail Sound Clip
Soundbites of the funniest quotes and classic jokes sampled from the movie Monty Python and the Holy Grail (1975). All the sound files are in wav and mp3 format.
Actors: Graham Chapman (Arthur), John Cleese (Sir Lancelot), Eric Idle (Sir Robin), Michael Palin (Sir Galahad), Terry Jones (Sir Bedevere)
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