As Valentine's Day approaches, Froggy thinks that he is falling in love with the new girl in class, but his feelings change when she gives him their first kiss.
Froggy is excited about his first sleepover, but a series of events sends Froggy and Max back and forth between their houses, until it seems they will never fall asleep.
Froggy isn't looking forward to his check-up because he might get a shot but when it's over and he's pronounced a very healthy frog, Dr. Mugwort is the one who dreads Froggy's next visit.
Froggy hoped for a brother to play with so he is disappointed with his new baby sister, Pollywogilina, but only until she is old enough to start learning from her big brother.