Чувени двојац у црном, агент Џеј и агент Кеј се враћају у акцију. Када свету припрети зли ванземаљац, Џеј путује назад у прошлост, у 1969. годину, где заједно са млађим агентом Кеј покушава да заустави злог непријатеља Бориса у намери да уништи свет.

Ba'al travels back in time and prevents the Stargate program from being started. SG-1 must somehow restore history.

The evil organization Shocker alters history by sending their newest creation, Kamen Rider 3, to defeat Kamen Riders 1 and 2 back in 1973. In the alternate present, Shocker is more powerful than ever, and most of the Kamen Riders are now either imprisoned or brainwashed to work for them. One such brainwashed Rider is Shinnosuke Tomari who thanks to his partner Kiriko Shijima, remembers the truth and joins forces with the remaining Kamen Riders who are still at large to make a stand against Shocker and put history back on its proper course.

The first American space station Skylab is found in pieces scattered in Western Australia. Putting these pieces back together and re-tracing the Skylab program back to its very conception reveals the cornerstone of human space exploration.