Steins;Gate: Oukoubakko no Poriomania

Steins;Gate: Egoistic Poriomania

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Alternative Titles

Synonyms: Steins Gate Special, Steins Gate Episode 25, Steins Gate OVA
Japanese: シュタインズ ゲート 横行跋扈のポリオマニア
English: Steins;Gate: Egoistic Poriomania
More titles


Type: Special
Episodes: 1
Status: Finished Airing
Aired: Feb 22, 2012
Producers: Frontier Works
Licensors: Funimation
Studios: White Fox
Source: Visual novel
Genres: ComedyComedy, Sci-FiSci-Fi
Theme: Time TravelTime Travel
Duration: 24 min.
Rating: PG-13 - Teens 13 or older


Score: 8.291 (scored by 275232275,232 users)
1 indicates a weighted score.
Ranked: #2682
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #510
Members: 435,981
Favorites: 823

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Episodes: /1


A few months after the events of Steins;Gate, Rintarou Okabe and his group of friends are invited to tag along with their acquaintance Faris NyanNyan, who is participating in a Rai-Net battle event in the United States. There, they meet up with an old colleague: Kurisu Makise, who has been recalling fragmented memories of events that happened in the other world lines in the form of dreams. She confronts Okabe, questioning him as to whether these events—particularly the incidents between the two of them—did indeed happen.

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Related Anime

Characters & Voice Actors


Satou, Takuya
Kobayashi, Tomoki
Director, Episode Director, Storyboard


Opening Theme

Apple Music
Amazon Music
Youtube Music
"Hacking to the Gate" by Kanako Itou

Ending Theme

"Hacking to the Gate" by Kanako Itou


Feb 22, 2012
White Fox does it again.

Instead of a generic beach episode that we witnessed maybe a million times already in many different anime series we get a true sequel to the Steins;Gate anime series in this special titled: Oukoubakko no Poriomania or in English Egoistic Poriomania.

And this special has everything. EVERYTHING!
Extremely funny comedy moments. Strong plot moments. Romance. Okarin speaking hilarious English. Christina with cat ears and in a maid uniform. Daru in an Hawaiian shirt. A Suzuha 'look-alike' that drinks with Okarin in a bar.

White Fox knows how to spend their budget right. If you seen many anime series you know that usually in ...
Mar 22, 2014
Steins;Gate is still one of my favorite series of all time because it makes you cry, laugh and feel something you've never felt before. In the time I finished steins;gate series, I decided to watch this.

This OVA is perfect to watch after you finish series, because it's happening just after it all ended. You just get this feeling like:" I missed you all ". I was a bit skeptical about this OVA, but I'm not disappointed, because this made me cry once more. There is no real plot or something interesting so anyone who didn't watch series, don't watch this neither.

Characters are still the ...
Sep 1, 2012
Mixed Feelings
I am a huge fan of the Steins;Gate series, but this is a really unnecessary addition which has nothing to say.

The OVA trots every character out just long enough to do something in-line with their dominant character trait before trotting them off again. Even the main characters feel underdeveloped, you learn nothing new about them and the build-up to the finale is almost non-existent.

The problem is it's about the relationship between Okabe and Kurisu and the main series has already told this story and done it a million times better. All we're left with is the bits we didn't need to see told in the ...

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Recent Forum Discussion

Poll: Steins;Gate: Oukoubakko no Poriomania Episode 1 Discussion ( 1 2 3 4 5 ... Last Page )
tsubasalover - Feb 22, 2012
401 repliesby Shikkakku »»
Nov 17, 2023 6:57 AM
Im Confused.. PLS help !
SunFire24 - Aug 9, 2012
7 repliesby CarbonMD »»
Apr 11, 2020 8:45 PM
Steins;Gate Extra Episodes English Dubbed?
cam609lee - Feb 6, 2018
3 repliesby Nexu »»
Feb 6, 2018 5:12 PM
Has this been dubbed?
cra0 - Nov 15, 2012
18 repliesby cra0 »»
Jul 12, 2016 7:23 AM
I think that special is
cyborg7777 - Jul 13, 2011
33 repliesby SympathyRS »»
Apr 26, 2015 7:13 AM