Камен Райдер Блэк RX: Жаңа Эраның Батыры

is a Japanese tokusatsu superhero television series produced as part of the Kamen Rider series. The ninth show in the franchise, it is a joint collaboration between Ishimori Productions and Toei Company, and aired on the Mainichi Broadcasting System and the Tokyo Broadcasting System from October 23, 1988, to September 24, 1989. The series is a direct sequel to Kamen Rider Black and the first to feature a team up with the past Riders since the 1984 TV special Birth of the 10th! Kamen Riders All Together!!. For distribution purposes, Toei refers to this television series as Black Kamen Rider RX. This was also the last installment of the Kamen Rider series to be produced in the Shōwa era and the first to be produced in the Heisei one — Episode 11 was delayed by one week following Emperor Hirohito's death. The series was adapted by Saban in North America as Masked Rider. The show featured a heavily altered story and all new characters, in an attempt to fit the series in as a spin off of Power Rangers.

Following the Fall of Gorgom, Kotaro Minami tries to live a normal life with the Sahara family. However, this brief moment of peace is soon shattered by the arrival of the Crisis Empire an evil alien menace that aims to eradicate humanity and claim dominion over Earth. After refusing to aid them in their nefarious goals, Kotaro is thrown hurtling back towards the planet with his transformation belt shattered. However, when he awakens, Kotaro discovers that the sun's rays have blessed him with new power the power of Kamen Rider Black RX!

1988: Kamen Rider 1 Through RX: Big Gathering (仮面ライダー１号～ＲＸ大集合) It covers all the heroes, from Kamen Rider 1 until ZX and introduces Kamen Rider Black RX.

Kamen Rider: Run All Over the World (仮面ライダー 世界に駆ける) is a short 3D film originally screened in the Coal History Village in Yubari between April 29 throughout October 31, 1989. The film involves a team up between Kotaro Minami's four Kamen Rider alter egos (Black, RX, Robo Rider and Bio Rider) to fight against the Crisis Empire. Tetsuo Kurata plays Kotaro Minami and voices all four of his Kamen Rider alter egos. General Jark, the four commanders of Crisis, and three high priests of Gorgom also appear in the movie, all played by their original actors with the exception of Bosgan (who is unvoiced) and Darom (who is voiced by Eisuke Yoda). The movie was written by Yoshio Urasawa and directed by series director Yoshiaki Kobayashi. In the film, the Crisis Empire devises a plan to defeat Kotaro by reverting him back to his old form of Kamen Rider Black and sending out several revived monsters after him. However, Kamen Rider Black is assisted by another Black RX, who used a time warp to help his past self. The two are joined by Black RX's alternate forms of Robo Rider and Bio Rider, and the four Riders combine their powers to defeat the revived monsters. The film is included as a bonus on the Region 2 DVD release of Kamen Rider Black RX Vol. 2. The DVD versions lack the original 3D effects of the theatrical release. A bonus Blu ray 3D disc containing the movie is included in the "Kamen Rider: The Movie Blu ray Box 1972 1988" set.

In its home country of Japan from August 1993 to September 1994, the full series was released on VHS by Toei Video and spread across 12 volumes with four episodes on each tape, with the last volume containing only three episodes. Six volumes of the series were released on Laserdisc from March 21, 1999, to January 21, 2000, with all episodes. Then from May 21 to August 5, 2005, a total of 4 volumes were released with each holding two discs with 12 episodes, the last volume holding only 11. Then from June 10 to October 7, 2015, the full series was released on Blu Ray in three volumes, with each one containing 3 discs and 16 episodes (15 for Volume 3). The Official Toei Tokusatsu YouTube channel also broadcast the series online from January 23 to July 1, 2012, then from June 16 to November 29, 2014, November 4, 2017, to April 21, 2018, and December 15, 2021, to May 25, 2022. The Toei Tokusatsu Nico Nico Official Channel also broadcast it online from April 21, 2013, to March 9, 2014. It aired in Thailand on Channel 3, dubbed as weera burut nakak dam. ("วีรบุรุษหน้ากากดำ", literally: Black Mask Hero) and this along with the previous series was also released on VCD by Dream Vision and later again by TIGA Company under Rāchạny̒phlạng s̄uriyạnn ("ว่าราชันย์พลังสุริยัน", literally: Sun Power King). In the Chinese speaking world, Cantonese, Mandarin (Taiwan dialect), and Hmong dubs were produced and aired in Hong Kong, Taiwan, and in the Hmong speaking regions respectively. In Hong Kong, the series aired with a Cantonese Chinese dub aired from July 1, 1991, and finished by around 1992. Originally, it aired from July 1 to August 1991 at first on Asia Television. Then that same channel re broadcast the previous series, Kamen Rider Black at that time, from August 2 to September 6, 1991, and the two dramas were collectively called "Kamen Rider 1991" (幪面超人1991). The first rebroadcast was from June 14, 1992, to January 10, 1993. The name was changed to "Kamen Rider RX" (幪面超人RX), and the broadcast time was every Saturday night or every Sunday night. The finale was broadcast on the evening of January 10, 1993, on a Sunday. The last episode gave the series' title a renamed "Kamen Rider RX Final Battle." (幪面超人RX終極之戰) Due to the high ratings at that time, many rebroadcasts were scheduled until March 31, 2002. The program name was still "Kamen Rider RX" and the broadcast time was every Sunday morning at 7:00. Therefore, the program was broadcast a total of 5 times, overall, with four re runs throughout 11 years. On the contrary, because the ratings of the previous series Kamen Rider BLACK in Hong Kong were lower than that of this one, Asia Television Hong Kong has not arranged to rebroadcast the original series again. However, when Kamen Rider Decade was first broadcast on the TVB Jade Channel, it was translated as Kamen Rider BLACK RX (幪面超人BLACK RX) directly translated from the original Japanese. In Taiwan, the series aired from December 1997 to November 1998 as Masked Rider RX (假面超人RX) on the Star Chinese Channel with a Taiwanese Mandarin dub, alongside its previous series that came before. For the Hmong speaking regions, A Hmong dub was produced and titled under Hnub Leej Tub Black RX and was released direct to video. In Malaysia, the series received a Malay dub and aired from 1996 1997 on TV2. Nippon Vision also licensed and released a Malay dub of the series on VHS and VCD in addition. It also was released with an English dub on VCD by Speedy Video as simply Masked Rider Black RX. Spain has aired a Castilian Spanish dub of the series on Antena 3. In Indonesia, the series aired on RCTI as Ksatria Baja Hitam RX with an Indonesian dub on August 14, 1993. They also aired the Saban adaptation Masked Rider on Indosiar in 1997, as a separate series. It was initially the second of the two series of the Kamen Rider franchise to be broadcast in Brazil (the other being the previous series which was Kamen Rider Black) with a Brazilian Portuguese dub, by the now extinct network Rede Manchete debuting on the network on July 24, 1995, airing as Black Kamen Rider RX in the region. Like the previous series, the last episode (Episode 47 A Shining Tomorrow!) did not air initially. However, the episode was still dubbed and was eventually shown on TV Diário in the state of Ceará when the series was rebroadcast. However, it was only shown once. InterMovies Action released the series on home video as well. On November 7, 2023, a Brazilian Portuguese dub of Kamen Rider Build was confirmed to be in the making. As of 2024, this is the only entry in the Kamen Rider series to have dubbed versions of both itself and its American adaptation Masked Rider as two separate shows in Brazil. The series was licensed by Discotek Media for Blu Ray in the US and released on August 29, 2023.