Star Trek: The Next Generation Rewatch: "A Matter of Honor"
Stardate: 42506.5 Captain’s Log: Some crew replacements come on board the Enterprise, along with Ensign Mendon, a Benzite, who’s part of an officer exchange program. Riker volunteers to participate in the program as well, serving on a Klingon ship. He is assigned as first officer of the Pagh. While Riker does research into Klingon culture, cuisine, and protocol, Mendon wanders the bridge, with his ego entering the room about twenty seconds before he arrives. When the Enterprise rendezvouses with the Pagh, Mendon detects a bacterial colony on the hull of the latter ship, but doesn’t ...
Source: tor.com