2023

All real-world events relating to the universe that occurred in 2023.

January

 * January 8 – aired for the first time.
 * January 11 – Charles Kimbrough died.

February

 * February 1 – George P. Wilbur died.
 * February 19 – will air for the first time.
 * February 26 – will air for the first time.

March

 * March 5 – will air for the first time.