Amanda and Leo, best friends with the same birthday, had a falling out on their tenth birthday and have not spoken since, but peculiar things begin to happen as the day of their eleventh birthday repeats itself again and again.

After her twelfth birthday, Rory checks off a list of things she is finally allowed to do, but unexpected consequences interfere with her involvement in the movie being shot at her school, while a weird prediction starts to make sense.

As spring arrives on Gardam Street, there are surprises in store for each Penderwick, from neighbor Nick Geiger's expected return from the war to Batty's new dog-walking business, but her plans to use her profits to surprise her family on her eleventh birthday go astray.

Sister is overcome with jealousy when Brother gets a shiny new ten-speed bike for his birthday.

Get ready to party! It's Bad Kitty's birthday, and guess who's on the guest list? Chatty Kitty, Strange Kitty, Stinky Kitty, and her other neighborhood "pals".

Clifford, the big, lovable, red dog, celebrates his birthday.

Mr. Putter thinks he is too old to celebrate his birthday, but when he remembers some of his past birthdays, he changes his mind.

Children's birthdays are always strange in Willow Falls, but when Connor's little sister Grace falls into a frozen state on her tenth birthday, Amanda and Leo must travel back in time to find out what force prevented Angelina from casting the blessing that would have protected her.

Sister Bear is distressed that things don't go quite right at her birthday.

Six-year-old Danny invites his dinosaur friend to come to his birthday party.