Lisa's Date with Density a child from Josh Weinstein's school days who everyday would get onto the bus with a piece of toast, which had Vaseline on it. A majority of the story is a reference to the film "Rebel Without a Cause". Lisa remarks that Nelson is "like a riddle wrapped in an enigma wrapped in a vest", a reference to "a riddle wrapped in a mystery inside an enigma"; this was Winston Churchill's opinion of Russia at the outbreak of the World War II. In its original broadcast, "Lisa's Date with Density" finished 63rd in ratings for the week of December 9–15,
Mystery in Space the first of a series, yet Space Cabby returned just three issues later in "Hitchhiker In Space" ("Mystery In Space" #24, February–March 1955), and then had an unbroken 22-issue run until "The Riddle of the Rival Space Cabbies!" ("Mystery In Space" #47, October 1958). The next few issues featured only short stories, and it was almost a year before another continuing series appeared in the pages of "Mystery In Space". A story by Gardner Fox and Carmine Infantino, "Menace of the Robot Raiders!" ("Mystery In Space" #53, October 1959) featured one of the most enduring and fondly remembered space heroes