DOSE OF REALITY — Both Zoe (Rachel Bilson) and Lemon (Jaime King) are having a difficult time accepting Lavon (Cress Williams) and Ruby’s (guest star Golden Brooks) new relationship, so they decide to find out Ruby’s true intentions. Wade (Wilson Bethel) agrees to supervise a Little Ranger’s camping trip to avoid a potentially awkward conversation with George (Scott Porter.) However, when George unexpectedly shows up on the trip, Wade has nowhere to hide, and their talk makes him see his relationship in a different light. Meanwhile, Brick (Tim Matheson) wants to take the next step in his relationship with Emily (guest star Mary Page Keller, “Duet”), but is shocked about who is not on board with the plan. Janice Cooke directed the episode written by Alex Taub.

SWIMMING WITH THE DOLPHINS – During their stay in Jamaica, the girls meet Bob Marley’s daughter, Cedella Marley, who has designed a fashionable new line of bikinis. Their challenge is to model these teeny weenie bikinis while rising out of the ocean on a dolphin. Then, the girls venture to Jamaica’s famous Dunn’s River Falls where they are transformed into warrior princesses and greeted by Tyra, who will be their photographer for the day. The girl who can strike the fiercest pose under the cascading waterfall wins the honor of having her photo grace the walls of Tyra’s home.

DC COMICS' VILLAIN DEATHSTROKE APPEARS ON THE ISLAND WITH OLIVER — After Detective Lance arrests Oliver for murder, Oliver tells Moira the only lawyer he'll allow to represent him is Laurel. Laurel takes the case which puts her at odds with her father. Oliver offers to take a polygraph in front Detective Lance but things get tense when Lance asks him if anyone else was on the island with him. Oliver flashes back to when he got his first scar, courtesy of Deathstroke (guest star Jeffrey Robinson). Colin Donnell, David Ramsey and Willa Holland also star. Michael Shultz directed the episode written by Wendy Mericle & Ben Sokolowski.

SAM, DEAN, CASTIEL AND MEG TEAM UP AGAINST CROWLEY AND HIS DEMONS — Castiel reappears in Sam and Dean’s life and tells them Crowley (guest star Mark Sheppard) has unleashed several demons into a small town. The demons are looking for Lucifer’s Crypt, which holds a valuable asset, but Castiel lies to Sam and Dean about what it is. While interrogating a demon, the three discover Crowley has been torturing Meg (guest star Rachel Miner), who knows the exact location of the crypt. Sam and Meg fight to hold Crowley off while Dean and Castiel go in search of the crypt. Thomas J. Wright directed the episode written by Robbie Thompson.

THE HUNTER'S MARK — Stefan and Klaus form an uneasy alliance to try and contain the danger that Connor (guest star Todd Williams) has unleashed on the town. When Connor takes Jeremy, Matt and April (guest star Grace Phipps) hostage at the Grill, Stefan and Damon have a serious disagreement about the best course of action, and Elena is again caught between the two brothers. The situation quickly turns violent when Klaus sends one of his hybrids, Dean (guest star Blake Hood, “The Young and the Restless”) to stand up to Connor. Caroline is surprised to find Hayley (guest star Phoebe Tonkin) at the Lockwood mansion. Meanwhile, Professor Shane (guest star David Alpay) works with Bonnie to help her get past her fear and guilt. Chris Grismer directed the episode written by Michael Narducci.