TV Milestone: 'Lost in Space' Ends 3-Season Run on CBS

Other notable TV events from March 6, 2026 include Walter Cronkite's 'CBS Evening News' farewell and the launch of CMT.

Published on Mar. 6, 2026

Got story updates? Submit your updates here. ›

On this day in television history, March 6, 2026, several significant events occurred. The classic sci-fi series 'Lost in Space' aired its final original episode on CBS after a three-season run, ending due to the high production costs. Additionally, legendary news anchor Walter Cronkite signed off from the 'CBS Evening News' in 1981, and the country music channel CMT launched in 1983.

Why it matters

The cancellation of 'Lost in Space' marked the end of an era for CBS and science fiction television. The series had developed a devoted fanbase but ultimately fell victim to the financial realities of producing a high-budget show. Cronkite's departure from the 'CBS Evening News' was also a major moment, as he had been a trusted voice in American journalism for decades. The launch of CMT, meanwhile, reflected the growing popularity of country music and the network's ability to cater to that audience.

The details

The 'Lost in Space' series, which debuted in 1965, ran for three seasons on CBS before being canceled due to the high production costs. A 'Lost in Space' theatrical movie was produced in 1998, and Netflix later rebooted the series for three additional seasons. Walter Cronkite, known as 'the most trusted man in America,' signed off as the anchor of the 'CBS Evening News' in 1981 after 19 years in the role. Country Music Television (CMT) launched in 1983, providing a dedicated channel for country music programming.

  • The final original episode of 'Lost in Space' aired on CBS on March 6, 1968.
  • Walter Cronkite signed off as anchor of the 'CBS Evening News' in 1981.
  • Country Music Television (CMT) launched in 1983.

The players

Lost in Space

A classic science fiction television series that ran for three seasons on CBS before being canceled due to high production costs.

Walter Cronkite

A legendary news anchor who was known as 'the most trusted man in America' and signed off from the 'CBS Evening News' in 1981 after 19 years in the role.

Country Music Television (CMT)

A television channel that launched in 1983 and provided a dedicated platform for country music programming.

Got photos? Submit your photos here. ›

The takeaway

The cancellation of 'Lost in Space' and the departures of Walter Cronkite and the launch of CMT all marked significant moments in television history, reflecting the evolving landscape of the industry and the changing tastes and preferences of viewers.