The popular television show "Friends" is not just a series full of light-hearted laughter and amusing plotlines. In fact, it has delved into deep and serious issues throughout its ten-season run. Here are the top 20 moments when "Friends" tackled serious topics, shining a light on the complexity of human relationships and the challenges of life.

One significant moment was when Chandler Bing, played by Matthew Perry, opened up about his struggles with addiction. In the episode titled "The One with Chandler Bing's Dad," Chandler's father, who abandoned him as a child, shows up for his wedding. This prompts Chandler to confront his feelings of anger and abandonment, ultimately leading to a heartfelt conversation with his friends.

Joey Tribbiani, portrayed by Matt LeBlanc, taught audiences about the importance of consent in a memorable moment. In "The One with Ross's Tan," Joey shares his revelation after a misunderstanding with an acting student, emphasizing the need for clear boundaries and communication.

The show also tackled the sensitive issue of infertility through Monica Geller and Chandler's storyline. Despite their struggles, the couple learns to cope and explore alternative paths towards parenthood. This storyline provided insight into the emotional toll that infertility takes on individuals and couples.

Another crucial moment arose when Ross Geller, played by David Schwimmer, dealt with the consequences of divorcing his lesbian wife to pursue a relationship with Rachel Green. The episode titled "The One with Ross's Wedding" explores the complexities of sexuality, love, and the societal pressures faced by individuals in unconventional relationships.

"Friends" didn't shy away from tackling mental health issues either. Phoebe Buffay, portrayed by Lisa Kudrow, confronts her traumatic past in an emotional episode titled "The One with Phoebe's Dad." Audiences witness Phoebe's journey as she strives to find closure and reconnect with her biological father, highlighting the power of healing and self-discovery.

Moreover, the show explored the ground-breaking topic of a woman proposing to her male partner. In "The One with the Proposal," Monica takes the lead in her relationship with Chandler, subverting traditional gender roles and challenging societal expectations.

Furthermore, "Friends" shed light on the difficulties faced by same-sex couples. The episode "The One with the Lesbian Wedding" celebrates love and commitment, advocating for equal rights and acceptance.

Throughout its run, "Friends" managed to incorporate significant themes without losing its signature humor and charm. It provided audiences with thought-provoking and relatable storylines that contributed to its enduring popularity. By addressing serious issues, the show reminded us of the importance of empathy, understanding, and standing up for what we believe in.