When Ellie and her friends plan a Halloween party for the Critter club, they realize a bat has gotten trapped inside the barn, so with the help of a wildlife vet the girls help return the bat to its home.
Amy is excited for her step-sister to visit, but when everyone, including the snake the Critter Club is watching, seems to love Chloe, Amy starts to wonder if they all like Chloe more than they like her.
Marion volunteers at the Santa Vista Arboretum butterfly release and helps her younger sister Gabby overcome her fear of bugs so she can also attend the event.
After auditioning for a solo part in the youth chorus, Ellie makes her first attempts at playing baseball and finds a baby deer alone in the woods while searching for a stray ball.
Members of the Critter Club are all excited about their summer plans until Liz learns that she will have to be in summer school to improve her math skills, but a fun teacher, a classroom pet, and support from her friends might get her through.
After winning the lead role in a play, acing a spelling test, and finding money, second-grader Ellie wonders if the Critter Club animal shelter's newest animal, a little pink pig, is bringing her good luck.
When a broken ankle forces Marion to withdraw from the horse show, she finds a way to stay active by helping her friends at the Critter Club animal shelter find homes for a litter of kittens.
