When Mama announces that she is going to have a baby, Sister Bear is curious about where the baby came from and how it is going to get out of Mama's body.
Taking a driving trip with their family in Grizzly Gramps' pickup truck, the Berenstain cubs are amazed by the wide variety of trucks they see on their journey and learn about the important jobs that each vehicle performs.
Big Brother helps Milton Chubb, a huge new cub, deal with the school bully and make friends with Bertha Broom, but then Milton and Bertha must meet in a match for a spot on the school's wrestling team.
The Berenstain Bear cubs are anxiously awaiting all the candy and Easter eggs that Easter will bring, but Mama Bear and Mother Nature show them the true wonder of the season.