As of July 2026, Paranoia Agent Season 1 aired in 2004 with 13 episodes — streaming now on Crunchyroll. Full episode guide and where to watch below.
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Paranoia Agent Season 1

2004 13 Episodes Animation · Mystery ⭐ 8/10

Paranoia Agent Season 1 is currently streaming on and , and it earns its premise rather than just borrowing genre trappings. A single, tightly-focused season means there is plenty to get through without ever feeling padded. Its 8/10 TMDB score, built from 357 ratings, reflects a title that consistently delivers. Mamiko Noto's performance is the anchor the more ambitious scenes need. Put it on tonight and see for yourself.

Paranoia Agent Season 1 arrived without much fanfare and built its audience the hard way — through word of mouth. Paranoia Agent Season 1 treats its concept seriously enough to follow it all the way through. Season 1 of Paranoia Agent includes 13 episodes. It aired from February 2004 to May 2004. This season stars Mamiko Noto, Daisuke Sakaguchi and Haruko Momoi. Mamiko Noto and Daisuke Sakaguchi lead a cast that brings real weight to the material. It was aired in 2004. What separates Paranoia Agent Season 1 from lesser genre entertainment is a willingness to let the concept cost the characters something. The hit rate here is high enough that skipping ahead never feels like an option.

For late-night viewing or a proper weekend binge, Paranoia Agent Season 1 fits the bill. It has built its own audience without needing a direct comparison. Best experienced as a single, sustained watch if your schedule allows. Mamiko Noto grounds the bigger ideas in something human. Once you are in, you will want to talk about it.

📡 Where to Watch Paranoia Agent Season 1

🇺🇸 United States
🇨🇦 Canada
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🎬 Paranoia Agent Season 1 — Episode Guide

E1
Enter Lil' Slugger
2004-02-03
Tsukiko Sagi, a shy character designer, is suddenly attacked by someone carrying a golden baseball bat. When a pair of detectives interrogate her, she describes the suspect as an elementary school-aged boy wearing golden inline skates and a red hat.
E2
The Golden Shoes
2004-02-10
Yuuichi "Icchi" Taira, a formerly popular sixth-grade schoolboy, starts being bullied at school for his red hat and golden skates which strongly resemble those of Lil' Slugger.
E3
Double Lips
2004-02-17
Harumi Chouno, a woman with dissociative identity disorder attempts to defy her prostitute alter ego, Maria. Harumi becomes increasingly desperate when a colleague proposes. She accepts, but is terrified of Maria's existence being found out.
E4
A Man's Path
2004-02-24
Masami Hirukawa is a low-level police officer who, despite calling himself a family man, accepts bribes in the form of cash and women from a local yakuza group. However, Masami squeezes the group a bit too much, and they send their boss to deal with him.
E5
The Holy Warrior
2004-03-09
Ikari and Maniwa interrogate the boy known as Lil' Slugger, who turns out to be an eighth-grade student named Makoto Kozuka. Kozuka admits to the attacks, but he believes that the world around him is a medieval fantasy-style role playing game.
E6
Fear of a Direct Hit
2004-03-16
Taeko, a runaway teenager, wanders through the stormy city wanting to forget about her past, as her father repeatedly calls her cellphone but she always answers coldly, saying she will "destroy everything."
E7
MHz
2004-03-23
After Taeko is attacked while both Tsukiko and Kozuka have alibis, Maniwa considers the possibility of another Lil' Slugger existing and looks for connections between the victims in an attempt to pinpoint who will be next.
E8
Happy Family Planning
2004-04-06
The three members of an Internet suicide pact meet each other for the first time in attempt to come up with ways to commit suicide, but hope to see Lil' Slugger.
E9
ETC
2004-04-13
Four housewives share gossip that they have heard about Lil' Slugger.
E10
Mellow Maromi
2004-04-20
Production coordinator Naoyuki Saruta fights traffic to deliver the first episode of "Mellow Maromi," an anime based on the famous character designed by Tsukiko, to the broadcasting network.
E11
No Entry
2004-04-27
Misae Ikari, wife of Ikari the detective, confronts Lil' Slugger when he comes for her about what humans really are and tells him about the problems he's caused.
E12
Radar Man
2004-05-11
Maniwa engages in battle with Lil' Slugger and investigates his past. First he visits the mysterious old man at the hospital just before he dies; his last words to Maniwa are "dance with the rabbit".
E13
The Final Episode
2004-05-18
Tokyo is in ruins because of a black mass, formed by the rampaging Lil' Slugger, that envelops the town. Maniwa contacts the police chief on a screen in the cartoon world telling him what he knows; Ikari smashes the screen and is hailed a hero.

🎭 Cast of Paranoia Agent Season 1

Mamiko Noto
Mamiko Noto
Tsukiko Sagi (voice)
Daisuke Sakaguchi
Daisuke Sakaguchi
Lil' Slugger / Makoto Kozuka (voice)
Haruko Momoi
Haruko Momoi
Maromi (voice)
Shozo Iizuka
Shozo Iizuka
Keiichi Ikari (voice)
Toshihiko Seki
Toshihiko Seki
Mitsuhiro Maniwa (voice)
Hisako Kyoda
Hisako Kyoda
Mysterious Old Woman (voice)
Ryuji Saikachi
Ryuji Saikachi
Mysterious Old Man (voice)
Kenji Utsumi
Kenji Utsumi
Akio Kawazu (voice)
Mayumi Yamaguchi
Mayumi Yamaguchi
Yūichi Taira (voice)
Makoto Tsumura
Makoto Tsumura
Shōgo Ushiyama (voice)

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