Survival of the Fittest

Survival Of The Fittest is the 23rd episode and season finale of Season 7.

Synopsis
SAM AND DEAN STORM SUCROCORP TO TAKE DOWN DICK ROMAN — Dean and Sam prepare for battle with Dick Roman. Dick’s in the final phase of his plan and the Winchesters must team up with Castiel, Bobby, Meg and Kevin, the prophet, to stop him. However, Dick is one of the smartest enemies they’ve ever faced so it’s a mind game to see who can keep the upper hand.

Major Characters

 * Sam Winchester
 * Dean Winchester
 * Castiel
 * Bobby Singer
 * Dick Roman
 * Meg
 * Kevin

Minor Characters

 * Lucifer

Trivia

 * Misha Collins is billed as a "Special Guest Star" for the 6th and final time this season.
 * Before the official announcement, rumors circulated that this episode would be called "Get Dick". However it was later proved to be untrue.
 * This episode has the distinction of being the only 23rd episode of a season so far, all others being only 22-episode long (apart from Season 3). It is also the 149th episode overall, which would mean that when (and if) Supernatural returns for an eighth season, the season premiere will be the 150th episode of the series.
 * This is the third season finale to feature Lucifer. The other two were Lucifer Rising and Swan Song.
 * This is also the first season finale to feature Meg since Devil's Trap.
 * This is the 4th season finale to feature Castiel.
 * This is the 7th season finale to feature Bobby Singer.