Image: CBS News

The Smothers Brothers' unexpected return to the spotlight after decades.

Image: CBS News

 Their initial success as folk singers turned comedy duo.

Image: Collected

The youthful appeal that attracted CBS and their involvement in the political and social movements of the 1960s.

Image: CBS News

The challenges posed by CBS censorship and their defiance of boundaries.

Image: CBS News

The ultimate dismissal from the network and subsequent legal battle.

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 Continued performances and a new stage show in their mid-80s.

Image: Collected

1. Tom's battle with stage 2 lung cancer and his positive prognosis.

Image: Collected

The Smothers Brothers' unexpected return to the spotlight after decades.

 Dick's solo performances and the enduring joy of making people laugh.