| January 31 | Kids Station and SpaceShower TV surpass 5 million subscribers. |
| February 12 | Jupiter Telcommunications (J-COM BB) executes a 140 billion yen syndicated loan agreement with 13 financial institutions. |
| February 24 | Sumitomo Corp. sells 8% equity in Jupiter Telecommunications to Liberty Media. Libery M. becomes the largest shareholder in J-COM BB. |
| March 1 | CNNj launches as a special edition of CNNI tailored to Japan. |
| March 31 | SpaceShower TV acquires 5 million subscribers. |
| June 30 | Golf Network of Jupiter Programming Group tops 4 million subs. |
| July 17 | BB Cable TV ramps up for revenue service, and expands service area beyond the Tokyo Metro to cover Saitama and Chiba Prefectures. |
| August 31 | AXN acquires over 3 million subscribers.
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| October 1 | J Sky Sports changes name to J Sports.
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| November 18 | Disney Channel launches in Japan with J-COM BB and SkyPerfecTV carrying the programming from broadcast launch. |
| December 1 | Digital terrestrial broadcasting starts in the Tokyo, Nagoya, and Osaka markets. |
| February 28 | Tomen Mediacom changes company name to Mediatti Communications. |
| April 1 | Family Theater surpasses 3 million subscribers. |
| April 1 | Spaceshower Networks absorbs Channel [V] operations, and relaunches the Spaceshower Video Music Channel. |
| April | Jupiter Telecommunications (J-COM BB) acquires stock of @Home Japan from failed Excite@Home (U.S.). |
| May 1 | LaLa TV of Jupiter Program absorbs Home Channel, and extends service to combined subscriber base. |
| May 30 | Japan Digital Serve begins distribution of multichannel digital Csat programming for cable operators. |
| June 1 | Itscom (formerly Tokyu Cable) launches Itscom TV Premiere digital cable plan. |
| June 1 | Super Channel attains 4 million subscribers. |
| August 1 | National Geographic Channel launches in Japan. |
| September 30 | CNN International subscriber count exceeds 4 million. |
| October 8 | Tohokushinsha completes IPO. |
| October 31 | Sky A subscriber base surpasses 4 million. |
| November 1 | Sony releases Cocoon PVR, adapting technology of TiVo. |
| November 29 | Channel NECO tops 4 millions subs. |
| December | FOX surpasses 3 millions subcribers. |
| March 25 | Sony invests 10% in Tokyu Cable. |
| April 2 | Japan CableNet is launched as a broadband service provider to cable operators. |
| April 25 | usen Corporation completes its initial public offering. |
| June 20-22 | Cable TV 2001 annual convention |
| June 15 | Star Channel and Sky Movies consolidate service; Sky Movies discontinues channels and merges into Star Channel. |
| July 1 | Sports-i ESPN tops 3 million subs. |
| August | KDDI and ZTV start VoIP field testing. |
| August 1 | Tokyu Cable changes name to ItsCom. |
| August 31 | GAORA tops 3 million subs. |
| September 1 | Jupiter Telecommunications changes service name to J-COM BroadBand, encompassing television, internet, and telephone services. |
| October | MSO-in-the-making Mediatti announces a series of tie-ups with Scientific-Atlanta, Convergys, and nCube as part of its digitalization plans. |
| October | Golf Network tops 3 million subs. Lala TV and Animal Planet top 1 million subs. |
| December 31 | Nikkei CNBC tops 4 million subs, the first cable-sat news channel to reach this milestone. |
| March 7 | TITUS Communications and TOKAI agree to interconnect their networks. |
| March 17 | Internet Initiative (IIJ) agrees to interconnect its internet backbone with Tokyu Cable, CTY, LCTV, Kintetsu Network, and Himawari Network. |
| November 1 | Hit Pops launches "Hit Station," a website for publicizing satellite TV programming content. |
| April 25 | Cable TV Kobe launches "Japan Media Networks," a video streaming service. |
| June 13 | Japan CableLabs (JCL) established. |
| June 30 | Sony, Tokyu Railway, and Tokyu Cable tie up to build broadband network. Sony acquires 10% ownership of Tokyu Cable. |
| September 1 | No. 1 MSO Jupiter Telecommunications (J-Com) and No. 2 MSO TITUS Communications merge. J-Com becomes the continuing company. |
| October 26 | SECOM, Tokyo Electric Power, Fujitsu, and Marubeni form venture to provide broadband services via cable TV networks. |