**Kirkfications** ranks the most memorable and impactful moments when Captain James T. Kirk from Star Trek has been transformed, altered, or reimagined across various media. From body swaps and parallel universe versions to aging effects and alien possessions, Kirk has undergone countless bizarre transformations throughout the franchise's history. This ranking celebrates those iconic "Kirk-ifications" that pushed William Shatner's acting range to its limits—whether he was playing an evil mirror universe captain, an elderly version of himself, or Kirk inhabited by alien consciousness. Each transformation showcases the versatility of Star Trek's most famous captain and the creative storytelling that made these episodes unforgettable. Prepare to revisit the strangest, most dramatic, and most entertaining versions of the legendary starship commander.