The episode "The Disciple," which guest-starred Rick Springfield, served as a pilot for a proposed spin-off series that ultimately never went into production.
Mako's Li Sung is the first character whom David meets more than once in his travels.
The episode was a back door pilot for a proposed series about a pair of contrasting brothers involved in Detective/Investigation work. Guest Actor Gerald McRaney would become best known for co-starring on Simon & Simon, a different variation on the proposed show's premise.