First use of slow motion during bionic stunts.
Martin Caidin based the character of Steve Austin on astronauts Dave Scott and Eugene Cernan (commanders of Apollos 15 and 17, respectively). Cernan was the last man to walk on the moon, just as Steven Austin was supposed to be.
Paul Fix and Paul Carr were both cast in Where No Man Has Gone Before (1966), the second pilot episode of Star Trek (1966), as Dr. Piper and Lt. Lee Kelso respectively.
The aerial photos Steve Austin Lee Majors examines of the fallen town of Norris are those created for the fictional town of Piedmont in The Andromeda Strain (1971) which suffered a similar fate.