The story begins when Banban Akaza arrives on Earth to the city of Megalopolis. He is transferred to the S.P.D. Earth branch by his commander. By that time, Agent Abrella, an Alienizer arms dealer, turns his destructive attention to Earth, helping the criminals there. It's up to the Dekarangers to stop them and bring them to justice. The S.P.D. of Earth are stationed in the Deka Base under the command of Doggie Kruger.
was released direct-to-video on March 25, 2005, featuring a crossover between the Dekaranger and Bakuryū Sentai Abaranger cast and characters. The event of the movie takes place between Episodes 31 and 32.
''Magiranger vs. Dekaranger''
was released direct-to-video on March 10, 2006, featuring a crossover between the Mahou Sentai Magiranger and Dekaranger cast and characters.
''10 Years After''
was released direct-to-video on October 7, 2015 to commemorate the 10th anniversary of the conclusion of the series, the second such epilogue movie of its kind following Ninpuu Sentai Hurricaneger: 10 Years After. 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. Once taken to the Deka Base, Carrie reveals to Tetsu that she has relevant info on the Kruger case, with Tetsu calling Ban to Earth to personally escort the witness to the Space Prosecution Office on planet Gowashichoru. Though Umeko believes Kruger is innocent, she is mortified by how the rest of his team not wanting to prove his innocence. But when Ban is ordered to return to his branch on orders from the Galactic District Police Bureau chief Kight Reidlich, Tetsu decides to have his team oversee the escort. But the escort ship is sent crashing onto the barren planet Riiyo where the Dekarangers fend off the Mechanoids before Deka Blue runs off with Deka Green following him to the Mechanoids' ship while Umeko learns that Assam and Mugi are part of the party keeping Carrie from reaching Gowashichoru as they take her to their boss. But as Umeko finds out, "Carrie" revealed to be Ban in disguise for the real one to reach her destination safely, she and Sen were kept in the dark as the rest of their team have been working to clear Kruger's death by exposing the real murderer of Carrie's father: Kight Reidlich. Once justice is served, Carrie thanks the Dekarangers and leaves while Kruger finally admits his feelings for Swan. The event of the movie take places after the final episode of the series.
''Space Squad''
In 2016, it was announced on Toei's press release that a crossover between and Dekaranger, titled was released in 2017.
Special DVD
is a special video produced by Kadokawa Shoten, featuring a showdown between Deka Red and Deka Break over who the better Dekaranger is.
Audio Drama
Tokusou Sentai Dekaranger/Futari wa Pretty Cure is the crossover of Super Sentai and Pretty Cure series.