One of the simultaneously most entertaining and most frustrating characters in Netflix's Lost in Space reboot is, without a doubt, Parker Posey's prickly Dr. Smith. At the end of the first episode, she emerges as the season's villain, of sorts, but it's not easy to pin her motivations down until episode three. In "Infestation," a series of flashbacks reveal Dr. Smith's origin story and introduce us to her sister, Jess. As it turns out, Dr. Smith - real name June - wasn't supposed to even be on the Resolute.
Not long before the ship takes off and leaves Earth behind, a very shabby-looking June goes to her wealthy sister's stunning lakeside home to say goodbye; Jess is the one going to space, not June. Jess is well-dressed and clearly successful, while June appears unkempt and obviously jealous of her sister's immensely better life,