it is a field trip at school. sara green and her 3 best friends heather o rourke and michelle tanner goes on a field trip. sara tells michelle and heather. she needs to bring her best friend bryan along since he is only 2 years old. mrs loopy tells sara to keep a good eye on him so he don't get hurt. sara and her friends heather and michelle made they're promise to mrs loopy they're teacher. and once they got home from school. sara loves bryan her best friend :) heather and michelle also hugs little bryan along with sara. bryan's big sister bonnie drives the school to pick up her baby brother bryan from school