Ross and Rachel's First Relationship: After finally getting together at the end of season 1, season 2 explores the joys and challenges of Ross and Rachel as a couple.

Monica and Richard's Relationship: Monica begins a significant relationship with Richard Burke, a much older ophthalmologist and a friend of her parents. Their age difference and differing life goals create conflict.

Chandler's Commitment Issues: Chandler struggles with commitment in his relationships, often using humor as a defense mechanism.

Joey's Acting Career: Joey faces ups and downs in his pursuit of an acting career, landing small roles and dealing with rejection.

Phoebe's Family: Phoebe begins to explore her complicated family history, including the introduction of her estranged father and her twin sister Ursula.