Nugget annoys Pancake with constant demands while ill in bed. To say sorry, she makes him a special bracelet. But Nugget is upset when others get `nuglets' too.

The Piris are in the final of the synchronised swimming competition and are beyond excited. All except Pancake, who worries he will spoil their chances of glory with his two left flippers.

The Piripenguins fall under the spell of a magical Merguin, a mermaid-penguin, who has the ability to change their personality. But all is not as it seems.

A sales rep visits. Despite Pancake's doubts, he convinces the Piris to buy extra flippers. The penguins discover that their purchases are duds but find a clever new use for them.

Nugget's new fitness device sparks a craze on the berg. Running, skating and jumping, the Piris battle it out to score the most points, with a surprise winner.

A mystery gossiper's stories in the newspaper cause friction among the Piripenguins, until Brinicle sets a clever trap to discover their secret identity.

Flutter helps Brinicle with his brioche cooking to get ready for an exam, but the dough expands to a colossal size.

When Pancake's precious golden algae goes missing, all the Piri friends fall under suspicion. Pancake turns detective and replays the evening - but the solution is far from obvious!

When Millie the Squid devises a set of tough penguin games to test the Piripenguins, Pancake and Nugget must stick together and rely on their friendship to succeed.

The Piris plan a trip to Tippety Top to see the famous southern lights but lose each other in an ice fog. When Nugget thinks she sees a monster, Pancake proves an unlikely hero.

When the Emperor Penguin visits the berg, he discovers Pancake is a long-lost Prince. Pancake learns how to act royal, but all the attention goes to his head.

Exhausted with requests for help, Looph deliberately disappears. The Piris turn detectives, searching the berg with little success until her ingenious plan is finally revealed.

After Pancake saves him from a mishap, Flutter vows to repay the debt. But his risk-averse behaviour drives Pan to distraction until a real emergency allows the debt to be repaid.

The Piripenguins face a set of tricky problems, but they discover that swapping items and working together can provide clever solutions, turning a regular day into an extraordinary one.

Nugget attempts to make all her Piri friends' secret `wishing tree' hopes and dreams come true - but gets them the wrong way round, with funny and very unexpected consequences.

Pancake is persuaded by Nugget to have a massive birthday party, but when the bash grows increasingly over the top, he finds his own unique way to handle the pressure.

Out in the ocean, the Piripenguins encounter a massive, angry whale called Norman, who wrecks their boat. Can the Piripenguins brave their fears and find a way to cheer him up?

Nervous about public speaking, Looph builds a robot to deliver a science talk in her place, but her Piripenguin friends are determined to help her do it herself.

After a spate of unfortunate accidents, Pancake becomes convinced that rubbing a lucky icicle will bring him good luck - but panics when it's rubbed away, until his friends step in.

When Nugget's favourite teddy bear gets accidentally washed by Pancake, the Piripenguins try to restore its unique smell by painstakingly recreating Nugget's happiest memories.

The Piripenguins vow to change shopping-mad Brinicle's wasteful ways. But when their clever recycling plan proves too exhausting, Looph comes up with an alternative solution.

The Piripenguins are annoyed to find that their holiday home has been double-booked by penguin nemesis Millie the Squid. With both refusing to move, is a resolution possible?

Flutter accidentally clones himself, leaving the berg flooded with scores of badly behaved penguins. As trouble spreads, the Piris must find a way to lose the unruly duplicates.

Brinicle tries to turn the Krispy Krill shack into a top restaurant to impress a secret reviewer, but chef Pancake's cooking proves unpopular, and Looph's plate machine misfires.

The shadow of a monster causes panic among the Piris, apart from Nugget, who is keen to investigate a new mystery. She finally tracks down the creature, but is all exactly as it seems?

The Piris take refuge in grumpy Millie the squid's cave during a storm but accidentally damage a painting. Can they find a clever way to fix it before Millie finds out?