The option to override automatic detonation... expires in T-minus one minute.
11 seconds sound clip from the Alien (1979) movie soundboard.
You can hear this line at 01:37:59 in the Blu-ray version of the movie.
Quote context
[...]
- Parker?
- The option to override automatic detonation... expires in T-minus five minutes.
- The option to override automatic detonation... expires in T-minus... three minutes.
- The option to override automatic detonation... expires in T-minus one minute.
- The option to override detonation procedure has now expired.
- Mother? I've turned the cooling unit back on. Mother!
- The ship will automatically destruct... in T-minus five minutes.
[...]