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The wider storyWhy did NBC launch Bonanza in color when most viewers watched in black and white?An examination of the technical and narrative choices behind Bonanza's 1959 premiere as the first regularly scheduled color series on American network television.Read the full history Key facts about Bonanza
| Event | Bonanza premieres on NBC |
|---|---|
| Date | September 12, 1959 |
| Location | United States |
| Key Figure | Lorne Greene |
| Source Detail | First regularly scheduled TV program presented in color |
| Confirmed Outcome | Ran for 14 seasons and 431 episodes |
Timeline: the road to Bonanza premieres on NBC and its aftermath
- 1859 Revelation of the Comstock Lode of rich silver ore mines under the town of Virginia City
- September 12, 1959 Bonanza premieres on NBC as the first regularly scheduled television series broadcast in color in the United States
- January 16, 1973 Bonanza concludes its fourteen season run on NBC
- 2002 TV Guide places Bonanza at number 43 on its list of the 50 Greatest TV Shows of All Time
- 2013 TV Guide includes Bonanza in its list of The 60 Greatest Dramas of All Time
The Breakthrough and the Problem It Solved
Bonanza debuted on NBC on September 12, 1959, marking the United States’ first regularly scheduled television series broadcast in color. The series began its fourteen‑season run that day and would continue until January 16, 1973, delivering 431 episodes to audiences.
Testing, Adoption, and Pushback
Decades after its finale, the series remains in syndication and was recognized in 2002 when TV Guide placed it at number 43 on its list of the 50 Greatest TV Shows of All Time.
The immediate aftermath of Bonanza premieres on NBC began as soon as events on September 12, 1959 were over. Bonanza became the longest running Western on NBC. The show maintained its status as one of the longest running live action American series throughout its broadcast history.
The Future It Made Possible
The premiere on September 12, 1959, answered the question of why Bonanza was the first weekly Western aired in color by introducing a production that prioritized visual richness. NBC launched the series as the first regularly scheduled TV program presented in color in the United States. This technical choice distinguished the show from the monochrome broadcasts that dominated the era. The series centered on the Cartwright family near Virginia City, Nevada. Lorne Greene led the cast as the patriarch Ben Cartwright. Pernell Roberts, Dan Blocker, and Michael Landon portrayed his sons. The show ran for 14 seasons and 431 episodes. Bonanza continues to air in syndication. Its legacy rests on this early adoption of color technology and its enduring popularity.
Analysis: Bonanza
What the evidence supports and leaves unresolved
What the record supports
- Color Broadcast Pioneer: Bonanza launched on September 12, 1959, as the first regularly scheduled TV program presented in color in the United States.
- Longest NBC Western: The series ran for 14 seasons and 431 episodes, becoming NBC's longest-running Western and the second-longest on American network television behind Gunsmoke.
- Enduring Syndication Presence: Decades after its January 16, 1973 finale, the series continues to air in syndication and was ranked No. 43 on TV Guide's 50 Greatest TV Shows of All Time in 2002.
Limits and unresolved questions
- Limited Cast Documentation: The series initially starred Lorne Greene, Pernell Roberts, Dan Blocker, and Michael Landon.
Evidence Map: How We Checked the Central Claim
What the sources verify and how they were used
This comparison separates the event page selected for the account from the independently verified page used to corroborate it.
Central claim checked: Bonanza, the first regularly scheduled TV program presented in color, is launched in the United States.
| Direct source | Verification role | Coverage |
|---|---|---|
| Bonanza · Wikipedia Accessed 2026-09-12 | Selected event record | Supports the central claim shown above. |
| DVD Talk · dvdtalk.com Accessed 2026-09-12 | Independent corroboration | Supports the central claim shown above. |
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When did Bonanza first air?
The recorded event date is September 12, 1959.
Key figures included Lorne Greene.
Bonanza launched on September 12, 1959, as the first regularly scheduled TV program presented in color in the United States.