The following is a list of notable machinima-related events in the year 2004.

• March 11 – The ILL Clan co-hosted the Florida Film Festival using their characters Lenny and Larry Lumberjack.^[1]
• March 16 – Epic Games released its first-person shooter (FPS) computer game Unreal Tournament 2004.^[2]
• November 9 – Bungie released^[3] its FPS video game Halo 2, which is used in multiple machinima series.
• November 16 – Valve released its FPS computer game Half-Life 2.^[4]

• January 3 – Season 2 of Rooster Teeth Productions' Red vs. Blue began with the premiere of episode 20 at the Lincoln Center for the Performing Arts.^[1]
• July 11 – Season 2 of Red vs. Blue ended with episode 38.^[5]
• October 18 – Rooster Teeth Productions released the first episode of its new series, The Strangerhood.^[6]
• November 28 – GW Films and Chipmunk Ninjas collaborated to make the popular film ClanWars.^[7]

• Fire Team Charlie (2003–2005)
• Decisive Battles (2004)
• Lenny & Larry on the Campaign Trail (2004)
• Neverending Nights (premiered 2004)
• Red vs. Blue (2003–2007)
• The Strangerhood (2004–2006)
• Time Commanders (2003–2005)

• Best Movie: Fire Team Charlie episode 13^[8]