Lisa has no shoes when rescued from the desert by Professor Grave. When both arrive at the base of communications, she is wearing high heels.
The area is under control of the United States Air Force, but the jeeps used are marked US Army.
During the episode "The Zanti Misfits," one of the technicians in the operations room starts to crack up while all are listening to an incoming message from the Zantis in their peculiar language.
A long shot away from the stranded car in the desert right before the commercial break reveals cars traveling back and forth on the 14 freeway near Vasquez Rocks in Agua Dulce, California, where the scenes were shot.
At approximately 6:10, an MP comes out and says "The General is ready for you, Prof. Gravesl" however, the character's name is Prof. Stephen Grave not Graves.