E1
Episode 1

Availability shown for Japan · rights vary by country시그널 is streaming on Netflix, Amazon Prime Video and Disney Plus in Japan.
Yes — 시그널 is available on Netflix in Japan as of August 2026.
Yes — 시그널 is included with an Amazon Prime Video subscription in Japan as of August 2026.
시그널 is available on Netflix and Amazon Prime Video in Japan, but you'll need an active subscription — there's no free option right now.
시그널 has 1 season so far.
The 1 released season of 시그널 is complete, but the show is still in production — a new season is expected.
A Season 2 of 시그널 hasn't been officially confirmed yet.