WGBH-TV, virtual channel 2 (VHF digital channel 5), branded on-air as GBH or GBH 2 since 2020, is the primary Public Broadcasting Service (PBS) member television station licensed to Boston, Massachusetts, United States. It is the flagship property of the WGBH Educational Foundation, which also owns Boston's secondary PBS member WGBX-TV (channel 44) and Springfield, Massachusetts PBS member WGBY-TV (channel 57, operated by New England Public Media), Class A Biz TV affiliate WFXZ-CD (channel 24) and public radio stations WGBH (89.7 FM) and WCRB (99.5 FM) in the Boston area, and WCAI radio (and satellites WZAI and WNAN) on Cape Cod. WGBH-TV also effectively, but unofficially serves as one of three flagship stations of PBS, along with WNET in New York City and WETA-TV in Washington, D.C.
2004[]
- March 1 – April 11, 2004
- April 12 – September 5, 2004
- September 6 – October 10, 2004
- October 11, 2004 – September 4, 2005
2005[]
2006[]
2007[]
2008[]
2009[]
- January 19 – February 1, 2009
- February 2 - April 26, 2009
- April 27 - August 30, 2009
- August 31 – November 1, 2009
- November 2, 2009 – January 3, 2010