 The Twilight Zone often explored similar themes throughout its run . " Time Enough at Last " has strong thematic ties to a number of other episodes in the series , starting with that of isolation , first explored in the series pilot , " Where Is Everybody ? " . It is also a prominent theme in the previous episode " The Lonely " . Additionally , in a plot very similar to that of " Time " , " The Mind and the Matter " tells of a man who uses his mind to erase humanity , only to find that existence without other people is unbearable . The notion of being an outsider , lost in a sea of conformity , was one of the most common themes of the series . 
