The following is a list of notable machinima-related events in the year 2003.

Notable releases

• April 1 Rooster Teeth Productions' Red vs. Blue began with the premiere of the .
• June 22 Fire Team Charlie Productions' Fire Team Charlie began with the premiere of the first episode.
• September 28 of Red vs. Blue ended with .

Active series

• Fire Team Charlie (2003 2005)
• Red vs. Blue (2003 2007)
• Time Commanders (2003 2005)