Monster at the End

 is the eighteenth episode of the seventh season of The Vampire Diaries and the one hundred and fiftieth episode of the series.

Summary
DANCE THE FIGHT AWAY – Planning to reveal Mayleens and Shings true nature, Elena, Caroline and Bonnie invite them for Whitmore’s Heaven & Hell Ball. With the help of Alaric they device a plan to lure them into a trap. As Andrew and Matt try to maintain peace in Mystic Falls, Damon sets out to save Stefan. Things turn dire when discoveries are made, one in which there has to be a sacrifice.

Main Cast

 * Nina Dobrev as Elena Gilbert
 * Paul Wesley as Stefan Salvatore
 * Ian Somerhalder as Damon Salvatore
 * Kat Graham as Bonnie Bennett
 * Candice Accola as Caroline Forbes
 * Zach Roerig as Matt Donovan
 * Matt Davis as Alaric Saltzman
 * Michael Malarkey as Lorenzo
 * Hunter Parrish as Andrew Montez

Recurring Cast

 * Elizabeth Blackmore as Valerie
 * Scarlett Byrne as Nora
 * Teressa Liane as Mary-Louise
 * Luke Benward as William Duncan
 * Leslie-Anne Huff as Rayna Cruz

Cultural References

 * The title is derived from The Monster at the End of This Book: Starring Lovable, Furry Old Grover. It is a children's picture book based on the television series Sesame Street and starring Grover. It was written by series writer and producer Jon Stone and illustrated by Michael Smollin, and originally published by Golden Books in 1971. It has since become the all-time best-selling Sesame Street book title and has been cited as a modern classic of children's literature.