Generator Rex S3 Ep 14 - Gender Transformations

Season 3 Episode 14 Mind Games
Although he initially has the upper hand, Scarecrow uses his shapeshifting abilities to play with Rex's emotions and eventually manages to push him into a corner. Scarecrow prepares to shoot Rex, but Doctor Holiday comes from behind and knocks him unconscious with a blow to the head. Rex then leaves the room, stating that he lost his confidence that the three of them were ever truly a team after seeing how easily they were turned against each other.