She places a figurine of the Demogorgon next to Will's piece to indicate he is being hunted by a monster. Secondary Storylines Full article: The Gothic Pasts of Stranger Things

A key moment in the episode involves Eleven using a board to explain what happened to Will.

Mike officially gives her the nickname "El," shortened from the "011" tattoo on her arm.

Eleven lacks basic social understanding; she nearly undresses in front of the boys when given fresh clothes, prompting Mike to explain the concept of "privacy" and the bathroom.

The "weirdo" in the title refers to Eleven, the mysterious girl Mike, Dustin, and Lucas find in the woods.