A minor detail from Old NarutoTM that’s really funny in retrospect is how Kabuto was unable to treat Kimimaro’s illness ‘because of how unusual his body was’ and lack of medical information about his clan. At the time people were wondering if Kabuto was actually sabotaging Kimimaro’s health to get rid of him or whatever but now, like

No shit he had an unusual body he was like 33% literal space alien
Ninja Slayer - The Complete Series

Domo, civilian, I am Ninja Slayer! Once a common, non-ninja, nine-to-five man, it’s now my duty to send all ninja souls to hell. It’s an insatiable thirst that I must quench to avenge the tragic death of my family. A mysterious spirit filled with rage has penetrated my soul giving me the ultimate power to fulfill my vengeance and destroy any ninja who dares to cross my path. Hell-bent on ninja carnage, I won’t stop slashing and bashing until I hear my enemies kiss their pathetic lives goodbye with a bloodcurdling scream of “Sayonara!” Die ninja. DIE! I am your Grim Reaper! Ahem. Won’t you live in my fury, friend  Join me in unleashing burning rage, and watch me spray the blood of a gagillion ninjas all over this nightmarish hell. For I am Ninja Slayer, killer of all ninjas!

Includes: episodes 1 - 26
Format: Blu-ray & DVD
Languages: English, Japanese
Subtitles: English
Rating: TV-14
Special Feature Video: 1080p High Definition 16x9 (HD Native)
Main Feature Video: 1080p High Definition 16x9 (HD Native)
Special Feature Audio: Dolby TrueHD: English 2.0
Main Feature Audio: Dolby TrueHD: English 2.0, Dolby TrueHD: Japanese 2.0
Main Feature Runtime: 338
Number of Blu-ray Disc: 2
Number of DVDs: 2
Studio: FUNimation
UPC: 704400014659

Episode 25 Commentary