SpongeBob's initial curiosity about Sandy, a land-dwelling squirrel living underwater, marks the beginning of their friendship. Their shared enthusiasm and adventurous spirits quickly forge a strong bond.

SpongeBob and Sandy consistently support each other's endeavors, whether it's SpongeBob trying to participate in Sandy's karate sessions or Sandy helping SpongeBob with his jellyfishing. They frequently embark on shared adventures, often involving mishaps and humorous situations.

While their friendship is strong, cultural differences between a sea sponge and a land squirrel sometimes create misunderstandings. These situations are usually resolved through communication, empathy, and a deeper understanding of each other's backgrounds.

Despite occasional disagreements or challenges, SpongeBob and Sandy's friendship remains a constant throughout the series. Their unwavering loyalty and deep connection demonstrate the power of friendship to transcend differences.