3 October
A list of events which occurred on the 3rd of October.

Morgan Farley is born.

Madlyn Rhue is born.

Steve Susskind is born.

Joel Polis is born.

Dale Grahn is born.

Lamont Laird is born.

First day of filming on .
First script draft for  and  is submitted.
First script draft for  is submitted.
Story outline for  is submitted.

Third day of filming on . Location scenes are filmed today, including the Mugato's attack on Kirk.

Sixth and final day of filming on .
Robert Justman sends in his resignation from Star Trek.

The Sixteenth UK Story Arc continues in TV21 & Joe 90 #54 with the third of six installments.

Forty-first day of filming on .

Daniel DeSanto and Amy Earhart are born.

Thirty-fifth day of filming on .  camp scenes are filmed today.

Seventh and final day of filming on .
Visual effects sequences are filmed for , including the deleted "rock man" scene and George Murdock's appearance as "". Makeup tests are also filmed for various background aliens on Nimbus III.

Fifth day of filming on .
Second unit and insert shots were filmed for  and .

 airs.

 airs.
 Second day of filming on .
Twentieth day of filming on . 

Second day of filming on .

Fourth day of filming on .
Fourth day of filming on .

Fourth day of filming on .

 airs.

Second day of filming on .

Third day of filming on .

Star Trek: Encounters is released in North America for Sony PlayStation 2.

Donald Hansard, Sr. dies.
de:3. Oktober
es:3 octubre
it:3 ottobre
nl:3 oktober
pt:3 de outubro
sv:3 oktober