Against the advice of the locals, Parker and crew head off alone, deep into uncharted jungle, risking encounters with caiman, jaguars, snakes and venomous spiders. They attempt to cross a quarter mile of raging rapids but the current takes hold of Rick.
Nyssa Al Ghul returns to Star City to warn Thea that a group of renegade League of Assassins members are planning to attack her. This group, led by Athena, is intent on finding a mysterious box that Malcolm left behind and will stop at nothing to get it. Nyssa helps Oliver come to a life-changing realization.
Jack finds out his ex-girlfriend Meredith needs a venue for a charity fundraiser and has the perfect place: his student Victor's house. Victor and the other kids are inspired by Jack to party for the first time.
Vince, Michael, Matthew and the rest of the staff struggle to figure out why they're losing female members.
Nick and Katrina Weidman explore the Cambria County Jail in Pennsylvania, which once housed the area's worst criminals, staging executions in its early days.
Trucks from the 70s and 80s battle it out, with victory coming down to a few feet. Drivers dance with disaster trying to push ice-cream trucks over the edge. Finally, looks can be deceiving with a surprise ending to the Green Hell.
Sal, Joe, Murr and Q take a spin in a motorized chair, hoping the kindness of strangers will keep them on track; the night's big loser walks away bruised and battered after being forced to clear some tables in an unusual way.
When Sophia feels like she is no longer the cutest kid in the Short family, she tries frantically to regain her status. Also, Joan gives Jen a beautiful necklace, forgetting she already gave it to Heather for her Sweet 16, and now she has to get it back; Greg tries to fit in with his new young coworkers but takes things too far; and Colleen and Tim bond when he helps her administer the hormone injections for her IVF treatment.
Upon the arrival of Batallion Chief Frankel, Jack begins his first shift as co-captain and continues to butt heads with Andy on leadership styles. Captain Pruitt has a difficult time following doctor’s orders and winds up back at the station to take on administrative duties. Meanwhile, the rest of the team at Station 19 responds to an attic fire at JJ’s apartment building and a call to a pool house party.
Larry, Rachel and Hugh attempt to bounce back after the disappointment of Mr. First Lady. Rachel meets Michael and Ethan’s new neighbor. A joke about a sitcom based upon Larry’s life becomes more than a joke when Ben and Melissa get involved.
Walter receives a letter from his mother telling him his younger brother Valentine is coming from Sierra Leone to live with him. Valentine's imminent arrival causes a stir on the estate, especially with Walter's wife Agnes, who believes he may be a bad influence.
Walter and Agnes try to get Valentine a "regular" job, but Valentine wants to find his own way.
Christy and Bonnie help Jill get sober again, and Christy's boyfriend, Patrick, is less than understanding when it ruins his birthday weekend.
Laurie, the new district manager, visits the store and decides to make some cuts to save money. Amy and Jonah plead with her to not fire anyone and search for other ways to make up the money. Meanwhile, Mateo struggles to prove his skills on the cash register.
Bill Gates visits Penny's work, and the gang schemes to meet him. Hilarity ensues. Meanwhile, Sheldon is convinced that he's a target of an April's Fools prank.
April's crisis of faith is challenged by a patient she treats who is a rabbi, and Meredith treats a patient who is a transplant surgeon from another hospital.
A disappointing loss at the science fair sends Sheldon’s life in a new direction.
Maxine never made it to the big time as part of girl group Variety, but is still desperately trying to cling on to her dream as the (failing) music manager for teenage pop group Sweet Gyal. However Maxine finds herself in crisis when, fed up of her trying to live vicariously through them and her embarrassing attempts to get them a record deal, Sweet Gyal threaten to drop her. But Maxine has come up with a plan. A come back. This time bigger, bolder and, well... older. Who cares about a hip young girl group anyway?! What the world is really missing is Mum Pop.