Itachi's Story - Light and Darkness: Partner - S20.E457

Itachi is partnered with Kisame and begins his missions as a member of the Akatsuki. The duo succeeds in recruiting Deidara, so Pain assigns the newly formed team of Deidara and Sasori to hunt down the deserter Orochimaru. Meanwhile, intel comes in about an immortal killer, so Itachi, Konan and Kakuzu head out to the Land of Steam.