2122 (MMCXXII) was a common year starting on Friday of the Gregorian calendar (dominical letter CB), the 2122nd year of the Common Era (CE) and Anno Domini (AD) designations, the 122nd year of the 3rd millennium, the 22nd year of the 22nd century, and the 3rd year of the 2120s decade.
- The USCSS Nostromo is diverted off its course to Earth to answer a distress beacon on the moon LV-426 (then-unsurveyed).
- The crew of the Nostromo land on LV-426 and find the signal is coming from a derelict ship.
- One of the crew members, Thomas Kane is attacked by a Facehugger.
- The crew of the Nostromo are killed one by one by the lone Xenomorph until Warrant Officer Ellen Ripley is the sole survivor.
- The Nostromo's self destruct system is activated, destroying the ship, and the creature is killed by Ripley aboard the shuttle Narcissus; she enters hypersleep for an unexpected 57 years.
- Thomas Kane
- Samuel Brett
- Arthur Dallas
- Ash (physical body only)
- Dennis Parker
- Joan Lambert
- The Alien
- Anton Milonovich