Thirty-Nine

Thirty-Nine received generally warm reviews from critics, who praised its emotional portrayal of female friendship, romance, and the realities of turning forty. Led by Son Ye-jin, the series was commended for depicting mature, unmarried women dealing with messy, authentic lives rather than polished tropes.

Reviewers highlighted the show's gentle and moving perspective on living in the moment, embracing aging, and navigating love and loss. Critics noted that the narrative goes beyond standard romance to explore personal growth, building up to a emotionally powerful climax around grief and enduring bonds.

Some criticism pointed to tonal inconsistencies, with critics observing a contrast between the sitcom-like lightheartedness of the characters' daily interactions and the heavier dramatic storylines surrounding romance and terminal illness. Nevertheless, reviewers felt the core connection between the three leads allowed the series to shine despite familiar melodramatic elements.