Space Squad: Space Sheriff Gavan VS Tokusou Sentai Dekaranger features the return of Yuma Ishigaki from 2012’s Space Sheriff Gavan: The Movie and the 2015 Space Sheriff Next Generation films. The first installment will join the two police-themed heroes as they face a massive space crime organization.

Taking place 4 years after the events of the Uchu Sentai Kyuranger TV series, the universe is at peace. But that changes when Hammie (Chameleon Green) attacks the Rebellion and steals the newly developed Neo Kyutama! Fearing its possible misuse once it falls into the wrong hands, Space Federation President Tsurugi Ohtori (Houou Soldier) declares Hammie wanted all across the universe. Lucky (Shishi Red) and some of the Kyurangers believe in Hammie, fighting against Tsurugi's decision, causing a rift amongst the Kyurangers. And where do Space Sheriff Gavan and Space Sheriff Shaider fit onto all this?

Eight years after saving the SPD from Agent Abrella's scheme, the Dekarangers parted ways with Ban joining the Fire Squad, Jasmine marrying Hikaru Hiwatari, and Swan working independently while Tetsu, Hoji, Sen, and Umeko continue working under Doggie Kruger. But after an incident occurred that hospitalized Kruger on planet Revaful wherein he was labeled as a dirty cop for an apparent dealing with the Qurlian Crime Family, which went awry with the death of a civilian witness, Tetsu takes over the Earth Branch. Two years later, joined by rookie officers Assam Asimov and Mugi Grafton, who had taken over the positions of Deka Red and Deka Yellow respectively, Hoji, Sen and Umeko encounter a Clementian named Carrie who is being hunted by Mechanoids.

Fifteen years ago, three childhood friends, Geki, Sherry and Okuma, were star-gazing and became inspired to go into space. As adults, Geki and Okuma join a mission to Mars, but their space shuttle goes missing before they could reach their destination. A year later, a monster attacks and a mysterious silver-colored warrior appears.

Celebrating the 20th anniversary of the Tokusou Sentai Dekaranger series, the six detectives who fight with cool and burning hearts gather again to face the "Great Plan" that threatens peace on Earth!

During a training session, Ban and Tetsu try to prove they are the strongest of the SPD.

A new evil organization known as Space Shocker, which are led by the magic-using Space Ikadevil and Space Spider Man, threatens the Earth by causing an unknown phenomenon. The Space Sheriffs Gavan type-G and Sharivan are sent to execute all magic-users on Earth in response to the threat and begins to attack Kamen Riders Wizard and Beast. The Space Crime Syndicate Madou, who were once defeated by the original Sharivan return, to cause even more havoc in the world. During this, Yoko finds a mysterious little robot called Psycholon, which Space Shocker and the Madou are after for unknown reasons.

Kai Hyuga / Sharivan uncovers the existence of a spy from the Neo Madou organization. In addition to that Kai's friend, Seigi, becomes the new Space Sheriff Estevan. They must find the spy and stop a drug ring from shipping a pain suppressing narcotic called Hyper-M on Earth. But the new Space Sheriff must learn to trust his instincts and that not all is as it seems...

To promote the movie Kamen Rider × Super Sentai × Space Sheriff: Super Hero Taisen Z, Toei released a series of Internet clips under the collective title Kamen Rider × Super Sentai × Space Sheriff: Super Hero Taisen Otsu!: Heroo! Answers. The net movies also featured characters from Tsuburaya Productions and Marvel Comics. Toei Tokusatsu BB and TV Asahi began distribution on April 12, 2013.

A 13-hour miniseries detailing James A. Michner's fictional account of the American space program from the years after World War II to the Apollo landings on the moon in the early 1970s.