CBC’s documentary Channel and UKTV have renewed Go Button Media’s factual series Secret Nazi Bases for a second season.

The 8 x 60-minute docuseries explores the ruins of old Nazi bunkers, bases and hidden tunnels to find old uncovered documents from the Third Reich. It executive produced by Daniel Oron and Natasha Ryan from the Toronto-based prodco Go Button Media and is expected to premiere in 2021 on documentary Channel in Canada and UKTV’s Yesterday channel.

Season two of Secret Nazi Bases has been sold to a number of territories by U.K. distributor DCD Rights, including A+E Networks for Scandinavia and Central and Eastern Europe and Discovery for Spain, Andora and Benelux. Both seasons were picked up by French network Planete for French-speaking Europe and Africa, as well as Mediaset in Italy. UKTV acquisitions manager Daniel Thomas brokered a pre-investment deal for the second season.

Go Button Media produced the two-part special A World Without NASA, which aired on documentary Channel in February and was commissioned by American factual SVOD CuriosityStream. DCD Rights also holds the worldwide distribution rights.

Earlier this year, Go Button Media sold the format rights and all 40 episodes of its unscripted OUTtv series Mom vs. Matchmaker to U.K. content develop Fugitive.