While Enterprise is asked to evacuate a group of Denobulan geologists from Xantoras, a world that has been taken over by a militant faction, Phlox finds himself with a patient who refuses to be treated by a Denobulan because of historical conflicts between their races.

Henry Stram (Hudak)

Mark Chaet (Yolen)
Laura Putney (Trevix)
D.C. Douglas (Zepht)
Jamison Yang (Crewman)

• Phlox shows Hoshi a tribble. He then feeds it to one of his reptiles (see "The Trouble with Tribbles").