"Out of Mind, Out of Sight"[1] is the eleventh episode of the first season of the television series Buffy the Vampire Slayer.
In the boys' locker room, Cordelia's boyfriend is attacked by an invisible assailant with a baseball bat and taken to hospital.
Looking over Willow's list of missing children, Buffy suspects Marcie when she sees she played the flute.
In a flashback, Marcie is sitting in her literature class as she attempts to answer a question posed by the teacher and is looked over in favor of her classmates, even though she had her hand up.
As the Scoobies think back to Harmony and Mitch, and flick through Marcie's yearbook, they find Cordelia's picture, horribly defaced.
They realize that Marcie is after Cordelia, whom she resented for constantly being the center of attention; suddenly the latter walks into the library asking Buffy for protection.
Using recorded flute music, Marcie lures Willow, Xander and Giles into the boiler room where she closes the door and opens the gas, then grabs Cordelia as she is changing.
became famous after occurring in the episode "Revolt of the Androids" of the TV show Lost in Space, in which the same line is said by a super-android.
Angel meets Giles for the first time and says he can bring him the Pergamum Codex[1], a key account of Slayer lore that will be pivotal in "Prophecy Girl."
In "Beauty and the Beasts" Willow will keep her forensic tools in a Scooby Doo lunch box.
It’s on the nose but, thanks to some canny voiceover work from Clea Duvall as the invisible girl, surprisingly affecting in the end.
Club rated the episode B, writing that it "comes awfully close to being a classic, but can't quite overcome ... some erratic performances and a plot that's more busy than necessary".
[8] DVD Talk's Phillip Duncan called "Out of Mind, Out of Sight" "[a]n ingenious combination of monster and social commentary [that] make this another standout episode".