Roswell, New Mexico S04e04 Apr 2026

: The episode begins with the devastating death of Mimi DeLuca , who dies in Maria's arms in the Wild Pony parking lot. Before passing, she leaves Maria with a cryptic clue regarding her wedding day, which eventually leads Maria to a sketch of a tree from Oasis .

: Liz discovers that Tezca's cells have a unique molecular "flight" response that allows them to alter their entire physical form. Quick Facts Original Air Date : June 27, 2022. Director : Ben Hernandez Bray. Writers : Ashley Charbonnet and Onalee Hunter Hughes. Roswell, New Mexico s04e04

: While investigating in Mexico , Kyle finds a pod containing the real Tezca in stasis, raising urgent questions about how she is simultaneously active in Roswell. : The episode begins with the devastating death

: The primary antagonist, Tezca , is revealed to be a powerful alien shapeshifter. She uses her abilities to impersonate Jenna Cameron and leads Max toward Jones's body in the desert. Max eventually realizes the deception when "Cameron" begins asking suspicious questions about Liz and displays an alien tattoo. Quick Facts Original Air Date : June 27, 2022

: Michael continues trying to infiltrate the "Dark Triad" (Bonnie and Clyde). Bonnie reveals that the alien relics they are collecting are pieces of a device designed to take them back to Oasis—a device originally built by Michael's mother, Nora .

: Seeking honesty in her grief, Isobel attempts to confess her feelings and identity to Anatsa . However, Anatsa ends their relationship, citing that it has become too complicated.