Posy gives Pip a fun penguin pirate without realising that he already has one, leaving Pip to go to great trouble to hide this fact from his friend and avoid hurting her feelings.

Pip is feeling poorly and having a quiet sofa day with Piggy, but Posy tries to make her friend better by playing doctor, only to be so loud and excitable that it makes him feel worse.

Posy goes over to Pip's house for a fun-filled sleepover but later realises that she forgot to bring Froggy with her, prompting Pip to give her his favourite toy, Piggy, for the night.

Pip makes a surprise treasure hunt for Posy, but she has to run off to the loo before she can start digging and soon feels left out when a new friend, Zac, arrives with the 'best digger in the world'.

On a very rainy day in the park, Pip and Posy cannot believe it when they see their friend Jamila picking up worms until she explains that she has to save them and asks for some help.

Pip and Posy have always been puddle twins in their matching yellow wellies, so Pip tries to persuade his friend to keep wearing her outgrown boots rather than go out in new blue ones.