Langly's childhood hero, a character on a children's television show, is accused of being an international spy.
Posing as aliens from outer space, the guys trick government agent Morris Fletcher into divulging top-secret information about Yves.
The main suspect in the trio's investigation of a murdered blackmailer turns out to be FBI Assistant Director Skinner.
The Gunmen follow Yves to Miami, where Frohike's mastery of the tango helps them solve a case of urgent national security.
A hospitalized Jimmy tries to convince the guys that his doctor is a killer after spotting him on an episode of "America's Most Wanted.".
Byers and Jimmy go under cover as death row inmates in a Texas prison while trying to exonerate a convicted murderer.
The team learns through an anonymous e-mail of secret government tests performed on unwilling captives.
When the Gunmen investigate a man's claim that someone else is living his life, they uncover a government program to rehabilitate criminals.
The guys stumble upon a baby while investigating the murder of a senator's mistress and turn into a trio of bumbling baby sitters.
The guys get wind of a revolutionary new car that runs on water and race to find its secret location before anyone else does.
When an infamous Nazi assassin places an ad to find her long-lost child, Frohike goes under cover posing as the woman's son.
While investigating the murder of a computer hacker, the guys bag a benefactor named Jimmy Bond who is willing to bankroll their strapped operation.
Byers, Frohike and Langly (Bruce Harwood, Tom Braidwood, Dean Haglund) investigate the death of Byers' father (guest star George Coe) in a suspicious car accident.