Thomas discovers Bertie's been rerouted to behind the other side of the mountain, making Thomas curious as to what's there.
A massive chasm in a Siberian forest may be a gate to the underworld.
Car builder Ian Roussel brings his wild fabrication skills to the world of Volkswagen Bugs. With his hands on a Stock-Bug, Ian cuts it into pieces and then turns it into a Full Custom.
Tensions rise with only seven people left on the island. With a dangerous storm bearing down on the camp, Makani strikes back against her former friends, while Chris and Alonzo struggle against the elements.
The six heat winners arrive for the semi-final where celebrity sitter Imelda Staunton awaits. The pressure is on as only three artists will be chosen for the final.
After capturing Rip, he forces the Waverider to crash, leaving the Legends stuck seventy million years in the past. Ray leads Amaya and Nate to recover a vital piece of the ship. In an effort to get the “good” Rip back, Rory suggests they enter Rip’s mind, but what Sara and Jax discover in his subconscious is not pleasant and they must fight evil versions of themselves. Meanwhile, Nate and Amaya continue to get closer, but it could cause serious ramifications.
Jessica's ultra-competitive nature is on full display when the Huangs host game night for couples.
When a young man dies in a horrendous hay baler accident, Booth, Brennan and Aubrey slap on trashy disguises and go undercover at a rowdy demolition derby competition to investigate the case. Meanwhile, Dr. Gordon Wyatt returns and assists Hodgins and Cam when the ongoing Gormogon case hits a dead end.
Lexie joins the Hecks for their spring break plans where she confesses to Sue that she has a crush on Axl; Mike hires Coach Babbitt as a ringer to help the quarry softball team; Frankie tries to figure out the root of an underhanded comment.
The conclusion from last week's elimination challenge; the immunity challenge has the teams create magical marionette characters.
Daphne takes a volunteer job at a clinic for extra credit and comes face-to-face with her old mentor, Dr. Jackson. While eager to mend fences with him, she grows alarmed when it becomes obvious he’s having trouble properly treating his patients. Mingo leads the annual “Kangaroo Krawl,” but Daphne sees his foolhardy behavior as a reaction to the regretful costume party incident. Bay finds Noelle is plagiarizing her work and uses the discovery to negotiate her own chair. John and Kathryn make an effort to rekindle their romance. Regina is put in a precarious situation when she decides to expand her business.
Robin attempts to get a divorce from Carlos, but he has other ideas. She's also forced to come clean about her past in the city.
Todd thinks taking over Julie's housework while she recovers from surgery will be a cakewalk, but running the home isn't as easy as it looks. And Chase schemes with Nanny Faye to get Todd to accept his dog, Lilo.
McGee discovers his apartment has been torn apart by a robber trying to locate an item of great value hidden somewhere by the convicted criminal who previously owned the unit. Also, Congresswoman Flemming (Mary Stuart Masterson) tries to persuade Director Vance to pursue a career in politics.
The Jennings struggling to contain the risks from Paige's growing relationship with Matthew Beeman. The Centre sends Philip and Elizabeth on an operation unlike any they've ever had before, straining their family and marriage to its limits.
While training with Barry, Wally starts to have visions of Savitar, which he hides from the team. A dangerous secret threatens Barry and Iris’ happiness.
Enjoying their con-artist lifestyle, Ezra, Richard and Jules close in on Maddie. Lenny Cohen cleans up Sally's mess. Maddie is devastated when the Doctor gives her a new assignment.
Jordan and Rachel dream of moving to the country with their three children, and enlist the help of Chip and Joanna after their contract falls through on another property in hopes of a second chance at country living.