Alien 40th Anniversary Short Films S01E02 - Specimen

It's the night shift in a colony greenhouse, and Julie, a botanist, does her best to contain suspicious soil samples that have triggered her sensitive lab dog. Despite her best efforts the lab unexpectedly goes into full shutdown and she is trapped inside. Little does she know, an alien specimen has escaped the mysterious cargo, and a game of cat and mouse ensues as the creature searches for a host.