Anna and Lena's mother tells the story of Anna's birth and the first time the two sisters met.

Piggeldy and Frederick go to the sea and get into a deep discussion about semantics when Piggeldy tries to describe it.

Frederick and Piggeldy go looking for rainbows, and in the process try to clarify exactly what they are.

Frederick tries to explain to Piggeldy about the spring season, but gets tangled up in references to Chinese food.

Piggeldy and Frederick venture out into the snow to look for signs of other animals.

Piggeldy wants to know what a fight is. It doesn't take long for him to find out!

Translated: Piggeldy learns about meanness and cruelty in an outing that does not end particularly well.

Piggeldy is curious about birdsong, and Frederick has a few questions he wants to answer for himself as well.

Frederick tells Piggeldy that he can fly down a mountain by flapping his ears.

Piggeldy tries to learn how to drive, but something doesn't seem to be working out quite right...

Piggeldy and Frederick go hiking, which doesn't appeal to Piggeldy at all until Frederick starts a sing-a-long.

Piggeldy learns to read... sort of.

Piggeldy and Frederick try to go boating, but Piggeldy has a bit of trouble getting on board.

Piggeldy wants to learn how to walk on a tightrope. Frederick says it's easy, but may have underestimated the risk.

Piggeldy wants to learn to count stars, but Frederick's methodology may not be making things much easier.