As Sheldon presses Leonard and Penny to set a wedding date, he encounters major changes in his own relationship with Amy. Meanwhile, Raj contemplates breaking up with Emily, and Howard and Bernadette struggle with asking Stuart to move out of their house.
The guys set sail for a special cruise ship mid-season finale episode. They make the pool deck their own playground, and team up to give out misinformation as entertainment directors.
Following intel from Red, the FBI find themselves one-step behind the most dangerous Russian Assassin, Karakurt, an enemy on U.S. soil. To avoid catastrophe, Liz and Ressler meet with Russian Counter-Intelligence who offer insight not only on Karakurt, but also on the identity of Liz’s mother. Cooper finds himself in a compromising position.
It's Alaric and Jo's wedding day and Elena and Bonnie do their best to help a stressed out Jo with the last minute preparations. After uncovering some life-changing news that Damon has been keeping from him, Stefan takes his brother on a road trip to give him some perspective on his future with Elena. Elsewhere, when Caroline returns to Mystic Falls after dealing with the fallout of her humanity-free rampage, she begins making amends with her friends and comes to a realization about her and Stefan's prospects of being together. Finally, when Bonnie begins having vivid nightmares that Lily is coming after her, she enlists Matt's help in taking Lily down.
Brennan and Booth believe that bullying is behind the death of a private high school student.
Francis and Mary are forced to set aside their differences and determine the extent of Condé's betrayal; Catherine teaches Narcisse a lesson; Bash brings Delphine to the castle.
Russ must pick up the fight when new allegations against Matt Skokie's role come to light.
Marooned on an alien world, Cuber must rely on his bag of Graybles to survive.
Holmes and Watson look into the death of a member of Holmes’ online beekeeping community who was a researcher looking into a deadly Northeast honey bee outbreak. During the investigation, they meet Tara Parker, a brilliant entomologist, academic and the leader of New York’s beekeeping society. Also, Captain Gregson enlists Watson’s services in an off-book investigation that helps him make a life-changing decision.
In New Jersey, Jean spirals further out of control. She confronts her father about his actions against her brother. Harold later goes to Marie to make peace.
The team attempt to find evidence that Alex Rockwell did not commit the crimes of which he was convicted for.
Save the day with the Pawn Stars when two original #1 comic books from the Avengers and Giant Size X-Men series fly into the shop. Will Rick "marvel" over these rare finds or will he play the villain? Then, Corey is faced with a mystery when he is presented with a cane belonging William Pinkerton from the infamous Pinkerton detective agency. Will he call in an expert to help investigate or will he end up closing the case? And later, Chumlee leaves work to track down his own comic book collection. Will he return with the Holy Grail or will his comics not make the grade?
Vice President Ross continues to defy the Grant administration when she hires Olivia Pope to defend a woman in the Navy. Meanwhile, Quinn and Huck must do what they do best to get answers about B613 and Mellie’s campaign for Senate continues to be a struggle.
After Aaron describes Stephanie as a 'yelly monster' when she tries to get the family ready in the morning, Stephanie realizes that she must do better.
When Josh is looking for a special gift for Shauna, Gabi thinks she has a great idea and goes behind Josh's back to make it happen. But Gabi is horrified when her grand plan leads to an awkward reunion for Josh. And Elliot is afraid to fall asleep in front of his new boyfriend, so he asks Yolanda to watch him sleep to make sure he doesn't do anything embarrassing.
Rather than go to college, a man wants to relocate to California and support his online love.
Mike's incompetence threatens to ruin Frankie's Mother's Day. Mike tells Axl, Sue, and Brick to put some effort into a gift for Frankie. Frankie asks the kids how they would differ from her as parents.
Misty and Jordanna go to war with each other when they are both asked to walk in a little person fashion show at New York Fashion Week. Jason and Kristin are forced to take sides when Misty and Jordanna fight for an opportunity to walk in the Paris fashion show later this year.