Animation Digital Network
Anime Digital Network Amazon Channel
Amazon Video
E1Cold Reboot
Where to watch
Availability shown for Germany · rights vary by countrySeasons & Episodes
E1
E2Foreordained Chance Encounter: Multiplexer
E3Our Beginning: Astable Multivibrator
E4A Promise That Connects: 3 Way Handshaking
E5Single-Minded Determination: Logic Gate
E6Lingering Memory: One Time Programmable ROM
E7Innocent Reminisces: Solidstate Memory
E8Turning Point: Flip Flop
E9Crumbling New Life: Latch Up
E10Unyielding Wish: XOR
E11All or Nothing: Schmitt Trigger
E12Promise: Protocol
Cast
Kensho Ono
Shun Tokinoya (voice)
Sora Amamiya
Yu Saegusa (voice)
Inori Minase
Nozomi Inazuki (voice)
Momo Asakura
Mio Tokinoya (voice)
Ryohei Kimura
Akito Sendo (voice)
Tomokazu Sugita
Ryusei Nagamine (voice)
Yoshitsugu Matsuoka
Mutsuki Naito (voice)
Kaede Hondo
Seshiru Sato (voice)
Azumi Waki
Emiko Takanashi (voice)
Yurie Kozakai
Satomi Tokinoya (voice)
Tarusuke Shingaki
Sota Inatsuki (voice)
Haruka Tomatsu
Yoshiko Sakagami (voice)
More like this
Aoharu x Machinegun
2015 · 7.6
Kuroko's Basketball
2012 · 8.4
Kaleido Star
2003 · 7.6
Giant Killing
2010 · 8.4
Maison Ikkoku
1986 · 7.5
His and Her Circumstances
1998 · 7.9
Horimiya: The Missing Pieces
2023 · 7.6
Ouran High School Host Club
2006 · 8.2
March Comes In Like a Lion
2016 · 8.0
Bakuman
2010 · 8.1
Kanon
2006 · 6.9
The Hill Dyed Rose Madder
2008 · 6.8
Protocol: Rain — streaming FAQ
Which OTT platform streams Protocol: Rain?
Protocol: Rain is streaming on Animation Digital Network and Anime Digital Network in Germany, and available to rent or buy on Amazon Video. It's not currently on Netflix.
Is Protocol: Rain on Netflix?
No, Protocol: Rain is not on Netflix in Germany as of August 2026. It's currently on Animation Digital Network and Anime Digital Network.
Is Protocol: Rain on Amazon Prime Video?
Protocol: Rain isn't included with a Prime Video subscription in Germany, but you can rent or buy it on Amazon Video.
Where can I watch Protocol: Rain for free?
Protocol: Rain is available on Animation Digital Network and Anime Digital Network in Germany, but you'll need an active subscription — there's no free option right now.
How many seasons are in Protocol: Rain?
Protocol: Rain has 1 season in total (12 episodes). The series concluded in 2023.
Are all episodes of Protocol: Rain out yet?
Yes — all 12 episodes across 1 season of Protocol: Rain are out and available to stream.
Is there a Season 2 of Protocol: Rain?
No — Protocol: Rain ended after 1 season, so there is no Season 2.