Arthur, my apologies for the confusion. I thought the thread was originally referring to one-season shows rather than shows that folks wished there was more seasons of. I revised my original post shortly after I posted it. I assure you no offense was intended toward you.
While Zorro did have a second season on ABC and there were also the four one-hour specials that followed that, but I, too, could have definitely indulged in even more Zorro; one of my all-time favorites and pure comfort food to watch!
Bus Stop (adapted from William Inge's play it had pretty good storylines and a cavalcade of guest stars)
Cliffhangers! (while the Curse of Dracula segment had wrapped by the time it was cancelled after 10 episodes, an 11th episode that wrapped up the Stop Susan Williams and The Secret Empire...