Does anybody else hate the storyline of Leonard cheating on Penny? You’re definitely not alone. Years after The Big Bang Theory ended, fans still call this one of the show’s most frustrating plot choices. Leonard kissing another woman while dating Penny felt wildly out of character for someone framed as the “nice guy” of the group. What bothered viewers even more was the aftermath—or lack of one. The reveal was brief, the consequences minimal, and Penny’s reaction felt far too forgiving for many fans. Instead of deepening the relationship, the moment left a sour taste, raising questions about double standards and rushed storytelling. While the writers likely aimed for realism, critics argue it undermined years of emotional buildup between the couple. For a relationship fans were deeply invested in, the cheating storyline felt less like growth—and more like a misstep the show never fully addressed.