In the 70's, ITC began experimenting with half-hour series, as opposed to their standard hour-long dramas. The formula, though, was new. These half-hours were tailored around a veteran American star. Unfortunately, the end result remained the same. One season and done.
One such case was The Adventurer, which cast Gene Barry, a year removed from The Name of the Game, as actor-secret agent Gene Bradley. Barry Morse (ex-The Fugitive) was Bradley's handler, Mr. Parminter, and appeared in all but one episode.
I regret to say I've never seen the show, so there won't be a rating. I don't even have any memory of it airing in my area. We'll leave you with a sample clip, courtesy of The Rap Sheet: