Changes

Nader's costars included Jack Ging as Dan Wright, Michael Masters as Bill Locke, the [[Canada|Canadian]]-born Joyce Meadows as Lynn Allen, and Michael Keith as Matt Adams. The episodes focused on various individuals setting world records of strength, endurance, and mastery of various difficult skills.<ref name=imdb>{{cite web|url=http://www.imdb.com/title/tt0131178/|title=The Man and the Challenge|publisher=Internet Movie Data Base|accessdate=January 25, 2020}}</ref>​

Nader's costars included Jack Ging as Dan Wright, Michael Masters as Bill Locke, the [[Canada|Canadian]]-born Joyce Meadows as Lynn Allen, and Michael Keith as Matt Adams. The episodes focused on various individuals setting world records of strength, endurance, and mastery of various difficult skills.<ref name=imdb>{{cite web|url=http://www.imdb.com/title/tt0131178/|title=The Man and the Challenge|publisher=Internet Movie Data Base|accessdate=January 25, 2020}}</ref>​

The program featured appearances by Bethel Leslie as Eleanor Beck in "The Early Warning," Ted Knight, as Dr. Herter in the episode "Daredevils," and Raymond Bailey in the role of Dr. Kramer on the series opener, "The Sphere of No Return." Joining Knight in that segment was Paul Burke.​

The program featured appearances by Bethel Leslie as Eleanor Beck in "The Early Warning," Ted Knight, as Dr. Herter in the episode "Daredevils," and Raymond Bailey in the role of Dr. Kramer on the series opener, "The Sphere of No Return." Joining Knight in that segment was Paul Burke.

==Selected episodes and guest stars==​

​==Selected episodes and guests==​

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Most guest stars on ''The Man and the Challenge'' were not well known at the time, though screen star Debra Paget appeared as Liza Dantes in the October 17 episode "Invisible Force", along with William Conrad,  cast as Jim Harrigan.  

Most guest stars on ''The Man and the Challenge'' were not well known at the time, though screen star Debra Paget appeared as Liza Dantes in the October 17 episode "Invisible Force", along with William Conrad,  cast as Jim Harrigan.  

*Carol Thurston as Alice Barron in "Invisible Force", October 17<ref name=imdb/>​

*Carol Thurston as Alice Barron in "Invisible Force", October 17<ref name=imdb/>​

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''The Man and the Challenge'' continued in reruns until September 3, 1960. It was replaced by the western series, ''The Tall Man,'' starring Clu Gulager and Barry Sullivan' as [[Billy the Kid]] and [[Pat Garrett]], respectively. Sullivan went on to star in another NBC western, ''[[The Road West (TV series)|The Road West]].'' The program aired at the 8:30 Eastern slot on Saturdays opposite Steve McQueen's ''Wanted: Dead or Alive'' on CBS and ''[[Leave It To Beaver]]'' on ABC. It followed and preceded NBC westerns, ''Bonanza'' in its first season, and ''The Deputy'' starring [[Henry Fonda]] and Allen Case, respectively.<ref>1959-1960 American network television schedule.</ref>​

''The Man and the Challenge'' continued in reruns until September 3, 1960. It was replaced by the western series, ''The Tall Man,'' starring Clu Gulager and Barry Sullivan' as [[Billy the Kid]] and Sheriff Pat Garrett, respectively. Sullivan went on to star in another NBC western, ''[[The Road West (TV series)|The Road West]].'' The program aired at the 8:30 Eastern slot on Saturdays opposite Steve McQueen's ''Wanted: Dead or Alive'' on CBS and ''[[Leave It To Beaver]]'' on ABC. It followed and preceded NBC westerns, ''Bonanza'' in its first season, and ''The Deputy'' starring [[Henry Fonda]] and Allen Case, respectively.<ref>1959-1960 American network television schedule.</ref>​

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In 1967, ''The Man and the Challenge'' was introduced in [[West Germany]].<ref name=imdb/>​

In 1967, ''The Man and the Challenge'' was introduced in [[West Germany]].<ref name=imdb/>​