Anata wa dáre? (E47)

When the drunk man gets home, his family doesn't know who he is, nor does anyone in the complex. Dan and Furuhashi are on their way when they notice the building twinkling and rearranging itself. A girder falls, nearly killing the agents. They shoot a man; his mask drops off, revealing a pig-like alien, Huk. Dan has the sudden urge to use his X-Ray Vision-everyone in the building is an alien. (Prime Video)