While the boys head to Jay's for a testosterone-fueled sleepover, Jessi throws a party of her own and gets caught up in mean-girl drama.
Nick drags Andrew into the city to visit an old camp crush, but the day doesn't go as planned. Jay embarks on an emotional journey with his pillow.
Dara O Briain and Hugh Dennis look back over the week's events with guests James Acaster, Angela Barnes, Kerry Godliman, Nish Kumar and newcomer Glenn Moore.
The hacker ecosystem in Russia continues to grow examining how vulnerable humans are to a new pandemic and looking at options for staving it off.
Harley befriends the new girl in school, but the friendship becomes strained when Ethan befriends her too.
When Jasiri and two hyena cubs are in danger in the Outlands, the Guard enlists the help of Thurston the Zebra to repel a tsetse fly infestation slowing down their rescue efforts.
McGarrett and Danny recruit Tani Rey to join the task force when diabolical hacker Aaron Wright releases a dangerous arsonist from prison.
Six months after leaving Chicago, Father Tomas and Marcus Keane's travels lead them to a troubled young woman in rural Montana. On a secluded private island off the coast of Seattle, Andy Kim runs a group home for at-risk foster children, whose lives are disrupted when the state sends a social worker.
Shawn races to the Bluff with only a day left in the season Kris is on the best gold of his life, but his shoddy equipment keeps breaking down Zeke is desperate to salvage the season but can't find a paystreak.
Danny considers retiring until Erin asks for his help with a case involving her ex-husband; Jamie and Eddie pose as a couple; Frank clashes with the new mayor.
Warren's apocalyptic dream of a Black Rainbow sends the group on a mysterious new mission while fighting for their lives against unkillable MAD-Z's.
A cool new kid arrives in the building, causing Booker and Levi to fight Nia and Tess for his attention.
As Andrew falls under the spell of the randy Hormone Monster, his buddy Nick becomes obsessed with the lack of changes in his own body.
A field trip goes from awkward to mortifying as Jessi navigates the demands of coupledom and gets her first period -- inside the Statue of Liberty.
A trailer for a new movie starring The Rock leaves Andrew questioning his sexuality. Jessi and Nick's budding romance turns ugly fast.
A steamy novel making the rounds at school inspires Jessi to explore her own sexuality -- and leaves the boys totally confused about what girls want.
When Leah hosts a party for the high school drama crowd, Nick wrestles with a romantic dilemma, and Andrew and Missy witness a disturbing scene.
Andrew struggles to keep the Hormone Monster in check as he works with Missy on a science fair project. Jessi and Matthew have fun at Jay's expense.