Hendren's career was initially transitioning into the world of politics. the
equal-time rule as it applies to television stations and presidential candidates, and the investigation of
Vice President Spiro Agnew and his subsequent resignation from office. Hendren also began television commentary, working for
WRC-TV in Washington. The station expanded his role there to make him the first on-air critic of television in the nation. He subsequently joined
KQED (TV), the public television station in San Francisco as a commentator, for which he won a regional Emmy in 1978. In 1979, Hendren joined the
Today Show as its resident television critic, making him the first on-air network television critic in the United States. Part of Hendren's responsibilities included reviewing programming for the networks, including NBC's own programming. Hendren was replaced on the
Today Show in 1980, in a move said to change its programming closer to its competitor
Good Morning America. NBC went from on-air critic to gossip television critique which was performed by correspondents
Jane Pauley and
Tom Brokaw. with
TV Guide stating, "those few minutes of his reviews may well have been NBC's finest hour." Hendren joined
Entertainment Tonight as its original co-host in 1981. The show quickly took off, becoming a mainstay in 113 markets throughout the United States, including 29 out of the top 30. He hosted the show first with Tom Hallick and
Marjorie Wallace (1981), then with
Dixie Whatley (1982) and, finally with
Mary Hart from 1982 through 1984. During his time at
The Today Show and
Entertainment Tonight, Hendren had a daily commentary that ran on
KNBC news in Los Angeles. Entitled "Hendren At Large," it ran daily on KNBC and was also broadcast recorded on
KRON-TV in San Francisco. The commentary won two Golden Mike awards as well as a 1982 L.A. Press Club award. After his KNBC and KRON contracts were up, Hendren left the stations to rejoin The Today Show as west coast editor and entertainment reporter, a role he continued until his departure from Entertainment Tonight. After his time at
Entertainment Tonight, Hendren hosted the syndicated daily television show
All About Us, part of
LBS Communications' INDAY programming. He also hosted and co-executive produced the award-winning national public television program
BreakThrough: Television’s Journal of Science and Medicine, which aired on more than 200 stations and won 13 national awards in its first and only season. ==Death==