Fans finally got a little peek into what happened when the aliens were first discovered in CW’s Roswell, New Mexico, but how and why they arrived is still a mystery, as are the circumstances surrounding Rosa’s death and Isobel’s involvement with it. To make sense of things, fans are piecing clues together to come up with some amazing Roswell, New Mexico theories that will blow your mind.
Episode 7, “I Saw the Sign,” was primarily about Maria and her relationship with her mother, Mimi who has suddenly lost her mind. She keeps talking about glowing ships and dangerous aliens, but everyone around her is chalking it up madness. Maria reveals that the doctors have yet to make a diagnosis, but they’ve ruled out things like dementia or brain tumors. In her state, Mimi says that “everything changed when Isobel told Rosa her secret,” suggesting that Isobel was the mysterious blonde “hunting” Rosa.
In the opening scene of the episode, there is a flashback to 1947, and you see Lieutenant Colonel Harlem Manes (likely Alex’s grandfather), performing an autopsy on what seems to be a female alien whose palm bears a sparkly three-point symbol. The existence of this alien indicates that there may be more than just three aliens in Roswell, and fans have been trying to connect the dots with these terrific theories: