Star Trek: Voyager (1995)

S02E24 Tuvix

Stardate 49655.2 marks a strange incident on the ship when a transporter malfunction fuses Tuvok and Neelix into a single entity, who adopts the name 'Tuvix.' This unexpected fusion creates a unique individual who embodies traits from both Tuvok and Neelix, leading to complex challenges for the crew as they navigate the implications of this unforeseen transformation.