The Enterprise runs into a mysterious energy field of a type that it has encountered before.
The Enterprise goes to check up on a remote outpost of scientists who are all perfectly all right.
The crew of the Enterprise discover a totally new lifeform, which later turns out to be a rather well-known old lifeform, wearing a silly hat.
An enigmatic being composed of pure energy attempts to interface to the Enterprise's computer, only to find out that it has forgotten to bring the right leads.
A power surge on the Bridge is rapidly and correctly diagnosed as a faulty capacitor by the highly-trained and competent engineering staff.
The Enterprise ferries an alien VIP from one place to another without serious incident.
The Enterprise is captured by a vastly superior alien intelligence which does not put them on trial.
The Enterprise separates as soon as there is any danger.
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.
The Enterprise is involved in a bizarre time-warp phenomenon, which is in no way connected with the 20th century.
A major Starfleet emergency breaks out near the Enterprise, and some other ships in the area are able to deal with it to everyone's satisfaction.
The shields on the Enterprise stay up during a battle.
An attempt at undermining the Klingon-Federation alliance is discovered without anyone noting that such an attempt, if successful, "would represent a fundamental shift of power throughout the quadrant."
Picard doesn't answer a suggestion with "Make it so"!
Picard walks up to a replicator and says, "Coke on ice."
When Worf tells the bridge officers that something is entering visual range no one says "On screen."
Wesley saves the ship, the Federation, and the Universe as we know it, and EVERYONE is grateful (including the Net).
Guinan forgets herself, and breaks into a stand up comedy routine.
The Captain has to make a difficult decision about a less advanced people which is made a great deal easier by the Starfleet Prime Directive.
An unknown ensign beams down as part of an away team and lives to tell the tale.
Just a few of the Things that have never happened on Star Trek:
Power Reference
