* “Observer Effect” and “Memorial” — Similar to the Klingon comms beacon, Starfleet had also placed warning beacons of its own, in these Star Trek: Enterprise and Star Trek: Voyager episodes, to ward off others.
** “A Private Little War” — In this Original Series episode, Spock induces a self-healing hypnosis that also requires Chapel striking him to aid in regaining consciousness.
*** — Spock discreetly affixes a viridium patch to Captain Kirk in order to track him in this theatrical outing.
**** “Sins of the Father” — With his deceased father accused of treason, Worf faces the Klingon punishment known as discommendation, which includes a ceremonial shunning and stripping of honor, in this Star Trek: The Next Generation episode.
***** “” — Ambassador Dak’rah, a Klingon defector and the father of Bytha, arrives on the Enterprise, and confronts Dr. M’Benga about their shared history at J’Gal.