Human college student, Avery, gets a surprise when she finds out that her new roommates are actually aliens. The aliens take on a fearsome human object: the vacuum cleaner.
When Avery's human friend, Cameron, stays over for the weekend, the aliens must keep a low profile. With Bailok's odd questions and Megrim's flirting, it will be a miracle if they remain unknown.
On the series finale, Avery needs to study for finals, but the aliens are a distraction. Elrot studies human exercise while Bailok and Megrim try their hand at a prank.