No Place to Hide (Lost in Space) were prodigies, and Don West was identified as a doctor of geology. The pilot did not include later series regulars Dr. Zachary Smith or the Robot, and featured no scary monsters. It was instead about the adventures of the Robinsons, a happy family. The cooperative, friendly family depicted in the pilot were somewhat less so in the series, and still more different from the dysfunctional space family depicted in the 1998 spin-off motion picture. The theme music for this pilot was taken from the 1951 film "The Day the Earth Stood Still". Nearly all of the footage from the pilot
What Was Missing cry because the songs featured in the episode were so full of emotion. "Adventure Time" composer, Tim Kiefer, played the instruments featured in the episode himself. To complement the tones of the bass and viola, he created percussion sounds with Game Boy loops, and then used an autochord for "Princess Bubblegum's melodies" to make "pretty, melodic swoops to accompany BMO's rigid, robotic patterns, loops, and structures." "What Was Missing" first aired on Cartoon Network on September 26, 2011. The episode was viewed by 2.185 million viewers and scored a 0.4 Nielsen rating in the 18–49-year-old demographic. This means it was