Despite the fact that she only appeared in one episode and has remained nameless for the past 50 years, she's still an unforgettable character.
These qualities made them a hot commodity on the Orion Slave Market, despite the fact that they were Orions themselves.
After Kirk and McCoy are framed for the murder of Klingon Chancellor Gorkon, they're sent to a remote, frozen penal colony on Rura Penthe.
My eyes are up here, Captain.
Kirk looks sad for a minute, but then NiceMarlena gets assigned to the NiceEnterprise and everyone lives happily ever after except MirrorMarlena, who is probably dead.
The Mirror Universe is genuinely terrible, not just fun terrible.