Penny Ling and some other pets think Pepper's stand-up jokes are offensive, but Pepper's oblivious to their feelings. Meanwhile, Blythe befriends the Biskit twins.
Russell tries to show he has fun side, which includes wearing a Hawaiian shirt. Meanwhile, Sue mimics Blythe, so Blythe attempts to help her find her own sense of style.
Blythe follows a psychic's advice and tries to return a set of keys to someone she has a crush on. Before long, the pets fear that she and Zoe are missing, so they seek the help of a heroic parrot.
Blythe becomes a trendsetter by wearing a nest hat, but soon the chick from the hat hatches, leaving the pets to care for the chick as Blythe searches for its mom.
Russell stays overnight at the pet shop, and the evening takes a frightening turn when he believes ghosts are present. Meanwhile, Sunvil and Vinnie grow determined to crash the sleepover.
Blythe prepares costume designs for a parade, but they get stolen, so she asks the pets to help her set things right. Meanwhile, Vinnie sets out to meet his idol.
Blythe loses her confidence after she's harshly criticized by a powerful fashion editor. Elsewhere, a young alligator who acts like a bully shows up at the day camp.
Blythe runs a sales kiosk so that she can participate in the International Pet Fashion Expo. Elsewhere, Roger's company starts a new pet service, which inspires the animals to conjure up an elaborate fantasy.
Penny Ling tries to boost Sunil's confidence by telling him he possesses superpowers. Elsewhere, Blythe looks for a place to park the Sweet Delights vehicle.
The gang head to Shanghai to attend a special ceremony, and Penny Ling meets some relatives for the first time while her pals create a dance to ward off spirits.
Roger is laid off, so he goes to work for the Biskit twins, despite Blythe's objections. Elsewhere, two pets get DNA test results that result in havoc for the day camp.
Blythe goes to Rio de Janeiro with the pets to compete in a parade, and they run into an aggressive old rival. Meanwhile, Blythe and Minka get acquainted with local pets in the jungle.
Russell isolates himself in order to protect his pals from his dangerous quills. Meanwhile, Blythe keeps her distance from everyone because she fears she has a rare illness.
Pepper asks Blythe to help her enter a stand-up-comedy showcase that her comedy idol, Bob Flemingheimer, will be attending. Meanwhile, the pets try to convince Minka that she is the first monkey to land on Mars.
The International Pet Fashion Expo causes a lot of stress for Blythe, who finds herself under even more pressure when she's tapped to do a photo shoot for Tres Blasé magazine. Elsewhere, a visiting cat gives the pets a preview of the Expo.
A possible UFO is spotted by the pets, causing them to worry about an alien invasion. Meanwhile, Mrs. Twombly attempts to drive up sales at the pet shop.
Blythe's skills are exposed to pets all over the city and they line up to speak to her, but one tiny ferret causes her to question her proficiency at pet communication.
Whittany does well on a test, so she snubs her sister and spends time with the smart kids at school. Elsewhere, two koalas bicker at the pet shop, and the rest of the pets choose sides.
A glum goldfish visits the pet shop, and the pets escort him on a madcap ride underneath the city. Elsewhere, Blythe snoops on Josh Sharp while he's at work.
Russell gets injured and grows bored as he recovers, so he stares out the back window, where he thinks he observes Josh Sharp snatching Blythe's discarded design sketches.
Blythe neglects her old pals after she makes a new friend at a thrift shop. Meanwhile, Vinnie hides his new spider buddy from Sunil, who has arachnophobia.
The pets help a shy peacock prepare for its debut at a botanical garden. Meanwhile, Youngmee tries to persuade Blythe to use her special communications gifts to benefit humanity.
Sue's earned an award, but she's hesitant to accept it in front of the entire school. Elsewhere, the pets enjoy the company of a sweet-smelling skunk, much to Pepper's chagrin.
The pets form a singing group and compete in a championship. Meanwhile, Blythe becomes preoccupied with her mom's journal and doesn't help look for Mrs. Twombly's missing doorknobs.
Blythe takes on another job as a sales clerk and lets her spending get out of control. Meanwhile, the pets grow annoyed with a difficult doll Blythe asks them to watch.
The gang go to the beach, where Penny Ling meets a lobster focused on fitness and Blythe unveils her line of pet beachwear. Meanwhile, Sunvil competes against Vinnie in a sand-castle contest.
Blythe and McKenna compete against each other on a fashion reality show. Elsewhere, the gang at the pet shop are puzzled by Sugar Sprinkles' odd behavior.
The Biskits get suspended from school thanks to Blythe, and she feels guilty about it. Elsewhere, Vinnie breaks Pepper's lucky rock, and Pepper wants to see him punished for it.
A canine refuses to compete in a dog show, baffling Blythe and Zoe. Elsewhere, Wiggles comes back to the day camp as a changed alligator who's worked on self-improvement.
Underground bunny races become all the rage and Vinnie and Sunil get swept up in the excitement, so much so that they mistakenly give away Blythe's cell phone as a prize.
Minka paints in a new style, but she's displeased with it and doesn't want her name attached, so Blythe obliges and winds up taking credit for the art.
Blythe contacts her cousin, whose fame might be an asset to a struggling Sweet Delights. Elsewhere, Sunil wants the other pets to help persuade his parents that he's a doctor.
Blythe books an Internet celebrity for a grand-opening appearance at the Littlest Pet Street, but she and the gang must pick the star up at her island home.
The gang attempt to leave Felina Meow's island. Meanwhile, Mrs. Twombly is overwhelmed as she carries out grand-opening preparations for the Littlest Pet Street.