Sydney hosts a slumber party with all of her friends, but the night takes a turn when a group selfie sparks a fight among Emmy and Sophia, and they must help them reconcile.
Challenging the notion of a blank slate, three studies explore how babies are born with expectations about everyday life.
From curiosity to understanding: researchers unveil the surprising ways that infants learn how to anticipate and respond to the movements of others.
Several experts make sense of how babies touch, taste and see as they embark on a sensory journey that will shape the rest of their lives.
A coy smile, a puppet show and a pointed finger lead to discoveries in how babies get along with others using humor, morality and shared experiences.
Resolving the debate of nature versus nurture, three scientists show how genetics and environment work together as infants discover who they are.
Researchers reveal the social skills that toddlers naturally possess, abilities that ultimately separate humans from all other species.
In a desperate attempt to avoid going to Charlotte's bassoon performance, Coop, Cami and Fred come up with an elaborate scheme that involves them crashing a wedding.
When Hedgehog's podcast blows up, she must decide whether to ride the wave of fame or stay true to her small but loyal fan base.
The full moon finds Betsy withholding her big werewolf secret from Susie, who spends the night trying to figure out what her BFF is up to.
Hedgehog and Oscar investigate problems at the U.M.P.S. and meet the new intern, Oddjobs, who's a great friend but a terrible employee.
While Hedgehog is off "werewolfing," a deflated Oscar has a therapy session with Shark that helps him realize the magic within him.
While Hedgehog braves her first witch coven sleepover, Oscar awaits a secret signal in case she needs to be rescued.
Hedgehog convinces Oscar to tackle an overdue rent -- but this time, Oscar's procrastination habit has spooky consequences.
Oscar and Hedgehog enter Frozen Time with the help of Ramona grow time babies, but Ramona and Susie's broken friendship causes problems.
Faced with two potential husbands -- burly Harry and sensitive Barry -- Barb enlists Hedgehog and Oscar to help her weigh her options.
Oscar, Hedgehog, Lucy, and Saxophone must return a yeti comb to its home to save the island from a really bad hair day.
When an astrological mismatch threatens King and Puddle's wedding, Oscar and Hedgehog join them on a quest to ensure love conquers all.