Tim thinks wearing a Cinderella dress during March Madness is good luck, so he refuses to take it off in hopes his alma mater will win. Also, Greg fantasizes about what to write in a birthday card for his boss, Tyler goes to prom and must withstand unsolicited advice from his parents and grandparents, and Jen sets Matt up on a blind date with her coworker, Dougie.

Ray, Sara and Kendra are shocked after they watch the Waverider fly off without them, leaving them stranded in the '50s. After waiting months for their teammates to come back, the three realize they must move on with their lives. Ray and Kendra bond as a couple but Sara decides to return to the League of Assassins and Ra's al Ghul.

Meredith regrets taking a step forward with Will; Maggie feels disconnected from Andrew; Amelia takes another look at her relationship with Owen; Catherine shakes things up for April and Jackson.

Week after week, each finalist has done their best to win the hearts of America. Find out who must say goodbye and who has earned a spot in the coveted Top 3.

Howard and Leonard lie to their spouses about seeing a movie premiere, while Raj spills the beans about their lie. Sheldon and Amy go shopping for Sheldon's new laptop.

John and Joan reveal a shocking secret they've kept from their kids for 35 years. Also, Greg quits his job after creating a public funding campaign for his own invention, Heather and Tim try to make up for missing Samantha's Student of the Month Ceremony at school, and Matt's plan to make a big announcement at his and Colleen's book party keeps getting delayed.

Clarke discovers a shocking truth, and Octavia is forced to make a decision that could have devastating consequences. Meanwhile, Kane and Abby share a moment.

A star of Broadway's Finding Neverland wants the designers to come up with some new looks for some classic fairy-tale characters.

Following the first Republican debate, Olivia is presented with damaging information about an opponent and enlists the Gladiators to verify its authenticity. Meanwhile, David deals with fallout from his dating life, and Cyrus continues to work on his own political agenda.

The girls' Hollywood adventure continues as Caroline signs away the rights to her life story so it can be turned a movie. Also, Max is heartbroken when Randy breaks up with her via his therapist, Elliot, and Caroline rents a party bus in an attempt to cheer her up.

The guys pose as crummy cashiers at a grocery store then head to the mall for a touching game involving laser pointers. Tonight's big loser is soaked with embarrassment after making it clear that he's #1.

Lauren Cohan and Sonequa Martin-Green battle it out.

Unable to provide Donnie and Linklater to the FBI, Harlee makes a deal with Stahl to exchange her own immunity for that of her crew. Harlee comes face to face with Miguel who reveals his darkest side as he demands to be a part of Cristina's life.

Alice and the team take on a very public client, a husband who was wrongly imprisoned for murdering his wife. Alice, however, is distracted with a mission of her own: track down Ben and figure out his next move. Meanwhile, Ben, Margot and Reggie are in desperate need of cash since Alice foiled their last plan, and the three con artists set their sights on a new target.

Cultures clash and tempers flare when Detective Lee, a stoic, by-the-book Hong Kong police detective, is paired with maverick LAPD Detective Carter in Los Angeles to investigate the theft of Chinese artifacts.

Archer breaks into a mansion to repair a Hollywood starlet's honor.

After a scandalous night with male strippers, Jenna clashes with CeeJai over a regretful decision. Dione stirs up major girl drama after sleeping with Kailah, while an injury threatens to send one roommate home.

In England, King Ecbert's true ambitions are revealed as he plans to gain the crown of Mercia. While outside Paris, the Vikings attack with considerable force, but can they overcome Rollo's defenses? Meanwhile, Harbard, the mysterious wanderer, returns and causes a stir amongst the women of Kattegat.

Craig is joined by guests musician Lars Ulrich, comedian Tom Papa, and journalist Alan Light as they debate and discuss history's most influential band.

Conan is joined on the show by Amy Adams, Ben Affleck, Henry Cavill, Jesse Eisenberg, Laurence Fishburne, Gal Gadot, Holly Hunter, Diane Lane and Zack Snyder.

Jimmy is joined on the show by Taylor Lautner, Sean "Diddy" Combs and Weezer.

Stephen welcomes Sarah Paulson, Tatiana Maslany, and interview with and musical performance by Wynton Marsalis, Lil Buck, and Jared Grimes.

After handing over Trinity's wedding money, Ricky swears off crime, but Julian tries to talk him into one last job at the Denture King offices.

Seth is joined on the show by Pharrell Williams, Andrew Rannells, Corbin Maxey and Stanton Moore.

James is joined on the show by Luke Bryan, Sam Heughan and Rita Wilson.

Noora is worried that she isn't caring enough about the Syrian refugee crisis. William and his bus crew are raising money they owe after trashing a cabin during Easter, and Noora calls him out on being egotistical.

Sarah learns of some unsettling information about her past from Tom Winston, which leads her to believe she knows the next target of the Executioner.

In the season final, singer-songwriter & actor Charlotte Church joins Adam Hills, Josh Widdicombe & Alex Brooker to discuss the week's events and answer your #IsItOK questions.

Because Eric left the freezer door open, Beth decides she has to cook it at once and invite everyone over to eat it all.

Thor actor Chris Hemsworth and Oscar-nominated Jessica Chastain, co-starring in The Hunstman: Winter's War, Spiderman star Kirsten Dunst, promoting new sci-fi movie Midnight Special and comic British actor Stephen Mangan, appearing in TV drama Houdini and Doyle. With music from Raleigh Ritchie, who performs Stronger Than Ever.