Elijah (Daniel Gillies) defies Klaus (Joseph Morgan) to protect Rebekah (Claire Holt) when a witch's spell traps the three of them in the City of the Dead cemetery. He interrupts their bickering by revealing a secret from the family's past. Marcel (Charles Michael Davis) is forced into a deal with Genevieve (Elyse Levesque) in his quest to free Rebekah. Phoebe Tonkin also stars in the new episode "Farewell to Storyville."
Realizing she needs to move on without Danny (Avan Jogia), Jo (Maddie Hasson) decides to run for student body president. This could get messy, though, as Rico's (Ashton Moio) girlfriend, Andie (Cynthy Wu), is also running for the office. Lacey (Kylie Bunbury) confronts Danny about what he's hiding. Jack's (Ivan Sergei) daughter, Whitney (Brianne Howey), returns from boarding school and befriends Lacey in the new episode "The Son Also Falls."
While dealing with their own individual issues, Spencer, Aria, Emily and Hanna (Troian Bellisario, Lucy Hale, Shay Mitchell, Ashley Benson) come to the joint realization that Mrs. DeLaurentiis (Andrea Parker) holds the key to solving the mystery of the night Ali (Sasha Pieterse) went missing. They volunteer to help at her charity bridal fashion show as a way of getting into her home to search for answers in the new episode "Unbridled."
Attention to detail is the hallmark of this new two-part production, which examines how various animals and plants adapt over the course of a day as light, temperature and weather conditions change. If that sounds dull, prepare to be surprised; the producers have found some pretty dramatic examples to showcase. Part 2 airs next Tuesday.
Jane (Angie Harmon) and her colleagues investigate the death of a food truck chef in this new episode. While the evidence points to poisoning, this case is far from open and shut. Angela (Lorraine Bracco) is excited about a big announcement from Tommy (Colin Egglesfield). Maura's (Sasha Alexander) birth mother (Sharon Lawrence) tries to make amends with her in "Food for Thought."
After finding videos of Pete's (Bradley Whitford) weddings to Diane and Jackie (Marcia Gay Harden, Michaela Watkins), Kate (Malin Akerman) realizes she missed out on something special by eloping and wants a real wedding. Diane decides to go public about her relationship with Russ Bradley Morrison (Dennis Haysbert), but Jackie isn't sure how to tell Bert (Albert Tsai) she's dating Sad Steve (Nat Faxon) in the new episode "The Wedding -- Part One."
Travis (Dan Byrd) has reason to regret starting an open mic night at Coffee Bucks when Andy (Ian Gomez) takes the stage with an attempt at stand-up comedy. Grayson and Jules (Josh Hopkins, Courteney Cox) discover that Tom (Robert Clendenin) has been lying to his daughter (Julianna Guill) to make himself seem cool, and they decide to play along when she visits. Christa Miller also stars in the new episode "Too Good to Be True."
Atlanta multimillionaire Todd Chrisley and his family -- wife Julie and children Lindsie, Kyle, Chase, Savannah and Grayson -- are the stars of this new reality series. Todd and Julie's hands-on parenting is a point of pride for them and a source of much of the show's drama.
Julian and Mandie met online, playing "Final Fantasy," and got engaged at a Renaissance fair eight years later. Now they're ready to tie the knot, and they want a dream wedding with a medieval fantasy theme. That's where planners Kristin Banta -- who knows big weddings -- and Brandon Hillock -- who knows fandom -- come in. This new special follows the couple and the planners as they prepare and execute a truly unforgettable nuptial day.
Lindsay (Sophia Bush) starts calling in suspects with strong motives to make Katie's kidnapper disappear, and Severide (Taylor Kinney) is at the top of her list. Jones (Daisy Betts) continues having trouble fitting in. Herrmann (David Eigenberg) doesn't get much support for the 20th anniversary gift he plans to give his wife in the new episode "A Rocket Blasting Off." Jesse Spencer also stars.
Pierce (Eric McCormack) gets a tip that the CIA may be assassinating U.S. citizens, which causes tension between the CIA and the FBI to escalate. It gets worse when a good friend of Pierce's is killed. Moretti (Rachael Leigh Cook) tries to get over her distrust of Donnie (Scott Wolf) in the new episode "Cobra."