If you are looking for a special episode to watch alongside the movie, the most relevant is , titled "Prologue to Road to Ninja" .
: Naruto is wrongly convicted of a serious crime—an attempted assassination of the Raikage—and sent to the inescapable Hozuki Castle , also known as Blood Prison . Naruto Shippuden Movie 5 Special Episode 1
While there is no standalone episode officially titled "Naruto Shippuden Movie 5 Special Episode 1," the movie (the 5th Shippuden film) is closely associated with a specific tie-in episode from the main anime series. The Key Tie-In: Episode 311 If you are looking for a special episode
: The prison warden, Mui , uses a special jutsu to seal Naruto's chakra, making escape nearly impossible. Naruto must clear his name while uncovering a conspiracy involving the Box of Paradise , an artifact said to grant any wish. The Key Tie-In: Episode 311 : The prison