Ep 3. Leo Castellano Is My Son

In season 4 episode 3 of The Mindy Project, titled "Leo Castellano Is My Son," Mindy Lahiri (Mindy Kaling) is faced with a difficult decision when her ex-fiancé Casey (Anders Holm) returns to New York and reveals that he is the father of her son, Leo.

Mindy had believed that she used a sperm donor to conceive Leo, but Casey tells her that he had a one-night stand with her around the time of Leo's conception and believes that he is the biological father. Mindy is understandably upset and unsure of how to proceed.

Meanwhile, Danny (Chris Messina) is dealing with his own family drama as his estranged father (Dan Hedaya) comes to town. Danny is reluctant to reconcile with his father, but his sister (Greta Gerwig) urges him to give their dad a chance.

As Mindy grapples with the revelation about Leo's paternity, she turns to her coworkers for advice. Jeremy (Ed Weeks) encourages her to take a DNA test to confirm whether or not Casey is the father, while Colette (Fortune Feimster) suggests that Mindy should just trust her instincts and make the decision that feels right.

Ultimately, Mindy decides to take the DNA test, which leads to a surprising and emotional result. Meanwhile, Danny's reunion with his father doesn't go as smoothly as he had hoped, and he has to come to terms with the fact that some things can't be fixed overnight.

"Leo Castellano Is My Son" is a poignant and emotionally charged episode of The Mindy Project that explores themes of family, parenthood, and forgiveness. Mindy's journey to discover the truth about Leo's paternity is both heart-wrenching and uplifting, and the episode is a testament to the show's ability to balance comedy and drama with ease. Overall, this is a must-watch episode for fans of the show.