When Cousin Henry gets all the attention in the grown-up musical in which they have roles, Angelina becomes jealous, but she demonstrates her fondness for him when a crisis occurs on opening night.
Susie and Alfred plan a naughty welcome for their new neighbor, Annie, but when their plan backfires they discover that Annie is a very much kindred spirit.
Susie worries that her friend Alfred does not love her enough, but she finds out just how much he does one day when she sees what seems to be a real dragon.
While spending the day at the seashore, two adventurous mice share a wild ride in a boat, become lost in a toy theater, and escape from a seagull's nest.
