Twenty years after the events of Iron Sky, the former Nazi Moonbase has become the last refuge of mankind. Earth was devastated by a nuclear war, but buried deep under the wasteland lies a power that could save the last of humanity – or destroy it once and for all. The truth behind the creation of mankind will be revealed when an old enemy leads our heroes on an adventure into the Hollow Earth. To save humanity they must fight the Vril, an ancient shapeshifting reptilian race and their army of dinosaurs.

Star Wreck: In the Pirkinning begins with Captain James B. Pirk of the starship Kickstart shipwrecked on the 21st century Earth with his crew. Originally from the distant future, Pirk and his crew traveled back in time to save the Earth from hostile aliens, but lost their ship and became stranded. Pirk’s daily routine consists mainly of stuffing his face at the local fast food restaurant, and he is finding it difficult to convince the ladies he is, in fact, an intergalactic space hero from the future. As the prospects for humanity’s conquest of space look increasingly bleaker, Pirk comes up with a questionable plan to save mankind’s future…

In the last moments of World War II, a secret Nazi space program evaded destruction by fleeing to the Dark Side of the Moon. During 70 years of utter secrecy, the Nazis construct a gigantic space fortress with a massive armada of flying saucers.