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.

At the Pet Expo, the Biskits sabotage Blythe at every turn, fueling superstitions over her entry. At the end, the Pets and Blythe are able to recover her stuff and exposes the Biskits' sabotage. The Biskits' butler confesses that they made him take part of their scheme. They fired their butler. The butler became a photographer. The Biskits are humiliated and expose for their crime. Blythe won the International Pet Fashion Expo. Pets got their faces at the magazine.

A red panda comes to the camp and intrigues Penny Ling. Meanwhile, Blythe composes a short story about her parents as teenagers.

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 assists Mrs. Twombly, who's getting ready to open a new coffee shop.

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.

Sunil's pursuit of happiness leads him through the city with the other pets. Meanwhile, Blythe tries to find her mom's journal after she loses it.

When Blythe gets accepted into the junior program at a fashion school, she, along with her family and friends from school and at Littlest Pet Shop, have to bode with the anxiety of her leaving.

Blythe stresses over the upcoming International Pet Fashion Expo when she is asked to do a photo shoot for Très Blasé.

Russell's dad moves in with him. Meanwhile, Blythe becomes friends with an elderly woman who wants Blythe to get to know her granddaughters.

Blythe must babysit Buttercream while trying to finish reading a book simultaneously, while Pepper struggles to socialize with a visitor to the day camp whom she finds herself smitten with.

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 make a vlogcast to rival Blythe's. Meanwhile, the pets believe that Penny Ling is leaving them.

A dog must be rescued from its fraudulent owner. Meanwhile, the pets perform an episode of a TV show beloved by Russell.

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.

A frivolous quarrel blows up and halts communication among the pets, leading Blythe to fear she may lose the capacity to talk to them.

While on her way to meet with her friends at a flash mob, Blythe gets trapped in the dumbwaiter along with Zoe, Pepper and Minka. While Penny Ling tries to attract the attention of the boys to get them out from the dumbwaiter, Zoe and Pepper start to fight, and within their compact space, Minka's claustrophobia is triggered.

Roger reveals to Blythe that he has just submitted Blythe's pet backpack to Mona Autumn, a critic for the top fashion magazine, Très Blasé. Knowing that Autumn's critiques are notoriously harsh, she starts panicking about her interview, ignoring the pet's problem with a new visitor, Wiggles McSunbask (voiced by Colin Murdock), a juvenile alligator who soon takes over the day camp. When Blythe's designs are rejected by Mona, as feared, and suggests that she peruses another career, she grows depressed, much to the sadness of Roger and the helplessness of the pets.

When Blythe fills in for Zoe's owners and accompanies her to a dog show in Paris, they suddenly find themselves smitten; Blythe with the city and Zoe with a mime artist dog named Philippe.

Roger takes Blythe and the pets to a camping trip in search of Bigfoot.

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.

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.

On nail-clipping day at the day camp, Sunil becomes anxious about being clipped and cowers in fear in front of Blythe's friends. Jasper, who finds his worried facial expression cute, takes a picture of him with his phone and edits it into an image macro. Soon after he uploads the macro on the Internet, Sunil and the day camp attracts media coverage from across the globe. His attention becomes the source of jealousy for Zoe, and the vanity of the Biskit twins, who produce a music video of themselves in an attempt to become viral.

Blythe must trade in her scooter for a sales kiosk in order for her to enter enter the International Pet Fashion Expo. Meanwhile, Roger's airline launches a "Pet Jet" service, with the pets using it to launch one of their largest fantasies yet.

Penny Ling decides to give Sunil a superhero outfit and make the two of them a superhero duo in order to help Sunil overcome his fears. Sunil pretends to rescue his friends, which becomes a problem when he believes he actually has superpowers. Meanwhile, with the help of Russell and Sugar Sprinkles, Blythe helps Youngmee and her aunt Christie find an ideal parking space for the Sweet Delights truck, only to compete for it against the Biskit Twins.