1.The Enterprise runs into a mysterious energy field of the type it has encountered several times before.
2.The Enterprise goes to check up on a remote colony of scientists, who are all perfectly all right.
3.The crew of the Enterprise discovers a totally new life form, which turns out to be a familiar old life form wearing a funny hat.
4.The crew of the Enterprise is struck by a mysterious alien plague, for which the cure is found in the well-stocked sick bay.
5.The Enterprise gets involved in an enigmatic, strange and dangerous situation, and there are no pesky aliens they can blame it on in the end.
6.Somebody takes a shuttle out and it doesn’t explode or crash.
7.The shields of the Enterprise stay up during a battle.
8.The enterprise visits the Klingon Home World on a bright, sunny day.
9. Mood rings come back in style, jeopardizing Councilor Troi’s position.
10.Picard hears the door chime and doesn’t bother to say, “come.”
11.The warp engines start acting up a bit, but seem to sort themselves out again without intervention from the boy genius Wesley Crusher.
12. An unknown ensign beams down as part of an away team and lives to tell the tale.
13.Spock isn’t the only crewmember not affected by a new weapon / attack by an alien race, etc due to his darn green blood or bizarre Vulcan physiology and thus cannot save the day.