Season 1 12 episodes Welcome to Tateyama Base! ~ 1 October 03, 2020 Umihotaru Sea Assault! ~ 2 October 10, 2020 Disaster Recovery Assessment! ~ 3 October 17, 2020 Tateyama Castle Swimsuit Skirmish! ~ 4 October 24, 2020 Tateyama Joint Forces! ~ 5 October 31, 2020 Season more