Futurama (1999)

S9E3 The Temp

A shadowy temporary employee steps into Fry's role at work, but soon begins to infiltrate every aspect of his existence. As Fry grapples with the sudden changes, he discovers that this newcomer is not just after his job, but also aims to replicate his friendships and personal life, leading to a chaotic battle for identity and control. Fry must find a way to reclaim his life from the clutches of this enigmatic temp before he loses everything that makes him who he is.