Voyage to the Bottom of the Sea (TV series) as Admiral Park, a colleague of Nelson's who substituted for him. Basehart returned for "Return of the Phantom," the final episode of the season. The third season of "Voyage to the Bottom of the Sea" ran simultaneously with two other series produced by Irwin Allen, "Lost in Space" (in its second season) and "The Time Tunnel". The third season began with Dick Tufeld of "Lost in Space" playing an evil disembodied brain from outer space. The season continued with a werewolf story that is one of the few episodes to inspire a sequel. In one episode, the "Seaview"'s officers and
Land of the Giants the part of Dan Ericson, credited his previous football, track and pole vaulting work for helping him with the stunts required. Elements of Allen's "Lost in Space" series recur in "Land of the Giants", notably the relationship between foolish, greedy, on-the-run bank robber Alexander B. Fitzhugh (Kurt Kasznar) and the young boy Barry Lockridge (Stefan Arngrim), paralleling the relationship on "Lost in Space" between Doctor Smith and the young Will Robinson. Also, for main cast billing, Kasznar was treated contractually in the same manner as Jonathan Harris had been on "Lost In Space": billed in last place on the opening