Azur Lane Season 1 Episode 1 ACTIVATION - The Girls Who Soar on the Seas ( Air Date 2019-10-03 ) Genre Action & Adventure, Sci-Fi & Fantasy, Animation category. Overview "Upon learning that former Azur Lane alliance members Sakura Empire and Iron Blood are ready to go to war, forces from the current Azur Lane, Eagle Union and Royal Navy, assemble at a forward base.".