Alien transformation movies with tragic outcomes

1997
BostonAlien CrashDisappearances
1982
Monster PregnancyAmbiguousClones
1986
Scientific HubrisTragic EndingSelf-Sacrifice
2011
Alien InvasionInterstellarAliens
2007
Aliens In DisguiseAlien TentaclesCollege Students
2024
Open-EndedUnknown CreatureEarth
1989
Body PossessionPre-World War Ii1939
2014
Sister GoneRural RoadDisappearance
2012
SurvivalComet PassingNeighbors
2025
Victory For Hero2025Warlords
2017
Alien InvasionHuman AlliesSouth Africa
1958
Mount LeeSpace StationRemote Laboratory
2014
Climactic2010SVictims
2019
Moral DilemmaUrban RuinsMoscow
2017
AmbiguousSurvivor SearchTruth Unraveling
1999
Alien InfluenceClimacticHospital
2017
2010SRemote WoodlandHunter
2024
CliffhangerMutiny AttemptAlien Release
1966
EarthAndroidsSpace Rescue
2018
Alien SoldiersFuture WarFamily