Filming began in the early summer of 1964, and the first episode of season one was broadcast on September 19, 1964, with the series ending with the 28th episode of season three being broadcast on April 15, 1967, showing on NBC Saturday nights 7:30–8:00 pm, making 88 episodes in total. NBC continued broadcasts with repeats from season three until September 1967. One episode (episode three in season one, called "SOS Dolphin") was filmed earlier in 1964 as a pilot immediately after the filming of Flipper's New Adventure was completed. Brian Kelly appeared in all 88 episodes, Luke Halpin was in 85, and Tommy Norden was in 84. Later, reruns of the first two seasons aired January 1968 – June 1968, NBC, Sunday 6:30–7:00 pm and June 1968 – September 1968, NBC, Sunday 7:00–7:30 pm.
