Ridley and pals suit up in astronaut gear to find a lost exhibit in outer space. The Eyes must keep quiet while looking for a drum-loving mouse friend.
Peaches learns to ask for back-up during a mission in space. Strange things start to happen when Mr. Peabody and Lonny try on masks from a new exhibit.
Ridley runs into trouble after sneaking a priceless portrait out of storage. Ismat tries to track down the perfect gift for her dads' anniversary.
Ridley goes treasure hunting in an old mine to save her family's tree house. Ridley and her mom try to find a new home for the museum's greeting robot.
Dudley says he saw a ghost in the museum, but Ridley isn't so sure. Nuki wants to live with other mammoths but has a tough time fitting in with the herd.
Ismat goes overboard trying to prove she's the Queen of Halloween. The Eyes look for a mysterious creature who got kicked out of the museum long ago.
Hungry termites put the museum on lockdown. The gang jumps into an old backdrop to find a tropical paradise — and two new friends!
A challenging new escape room opens up inside the museum. Dante's quest to land the perfect skateboarding stunt leads him down a dangerous path.
The Heart of the Museum is losing its power and all of the animals are turning into stone! Can Ridley figure out how to fix it before it's too late?
Mr. Peabody's niece Penny is visiting the museum for the night. She seems nice, but can she be trusted with all of the museum's secrets? When a cooler, more confident Dudley dives headfirst into a dangerous mission, Ridley and the Eyes follow him to the Arctic to make sure he's OK.
Dante leads the team on a dino-tastic adventure: freeing a mama stegosaurus' tail from a fallen rock and rescuing her stolen egg from rascally raptors! Security guard Lonny joins the gang on a mission to find a missing gem. She's making mistakes, but that's OK. Nobody's perfect!
Shiver me timbers! Ridley and the gang make a feisty new crew of friends when the museum opens up the Queen Barnacle, a life-sized pirate ship exhibit. / Ismat gets jealous when she senses that her dads' new kitten is stealing the spotlight. So instead of keeping an eye on her, Ismat lets her scamper away!
It's time for Fred to lead the stampede! But something's in the way: Fred's Grandma Dottie doesn't know that Fred's changed their name and pronouns. / Dinos and birds are evolutionary cousins... but who's "better"? To settle the score, the friends lead Dante and Dudley through a series of tricky tests.
A fossilized triceratops skeleton with lots of energy needs someone to look after him, but having a pet is a big responsibility. Is Ridley ready? / Ismat decides she needs a head-to-toe makeover after snooty royals hanging in the museum's new portrait gallery make her feel like she doesn't belong.
3, 2, 1... blastoff! When Peaches challenges an old rival to a space race, she's so focused on winning that she forgets to enjoy the ride. / Pedro's penguin exhibit is moving to another museum, but Ridley and the others don't want their pal to go — and neither does Pedro.