Superboy (1988)

S4E4 The Basement

When Lana stumbles upon an extraterrestrial being hiding in her basement, her life takes a dramatic turn. The creature, capable of mimicking her appearance, begins to usurp her identity, causing chaos in her personal and social life. As Lana struggles to reclaim her sense of self, she must confront the bizarre implications of sharing her life with a being from another world. With tension mounting, she races against time to expose the imposter before it entirely eclipses her existence.