4 September
A list of events which occurred on the 4th of September.

Reggie Nalder is born.

Harold Livingston is born.

Donald Hansard, Sr. is born.

Ryan MacDonald is born.

Nicholas Worth is born.

Michael Berryman is born.

Steve Boyum is born.

Steve Yudson is born.

Patricia Tallman is born.

Gene Roddenberry shows the original version of  at the annual World Science Fiction Convention in Cleveland, Ohio. This marks the first showing of  to the general public. Soon after, to the request of convention goers, Roddenberry also screens a black-and-white print of .

The Twenty-Fourth UK Story Arc continues in TV21 & Joe 90 #102 with the second of five installments.

 premieres in Austria.

Paul Prokop dies.

Drafting begins on Star Trek: The Undiscovered Country, the working title of the film that is eventually renamed Star Trek II: The Wrath of Khan. Work on this draft is not completed until .
 premieres in Iceland.

Last strip of the thirteenth comic story arc is published.

2nd revised final draft script for  is submitted.

Final draft script for  is submitted.

Fifth day of filming on .
Carl W. Daniels dies.

Fourteenth day of filming on .
Final draft script for  is submitted.
Final draft script for  is submitted.

 airs.

 airs.
Fourth day of filming on  on Paramount Stage 16.

Sixth day of filming on .
Fifth day of filming on .

Paramount Home Entertainment releases Next Generation volume 3.7 and Voyager volume 6.7 on VHS in the UK. 

Third day of filming on .

Second day of filming on .

Fourth day of filming on .
Derek Bellman dies.

Dave Hoover dies.

Joe Geletko dies.

Fifty-first day of filming on .

Unknown year
Mickey Cottrell is born.

de:4. September
es:4 septiembre
it:4 settembre
nl:4 september
pt:4 de setembro
ru:4 сентября
sv:4 september