The following is a list of notable machinima-related events in the year 2005. These include several new machinima productions, season finales, and the 2005 Machinima Film Festival.

• January 26 – Paul Marino moderated a discussion panel on machinima at the 2005 Sundance Film Festival.^[1]
• June 21 – Electronic Arts released its first-person shooter computer game Battlefield 2.^[2]
• October 27 – October 28 – The Academy of Machinima Arts & Sciences presented machinima pieces at the Austin Game Conference.^[3]
• November 8 – Lionhead Studios released^[4] its simulation game The Movies, the first game to contain dedicated tools for creating machinima.^[5]
• November 12 – The Academy of Machinima Arts & Sciences held the 2005 Machinima Film Festival at the American Museum of the Moving Image.^[6]

• February 9 – Edgeworks Entertainment's The Codex premiered.^[7]
• May 18 – Season 3 of Rooster Teeth Productions' Red vs. Blue ended with episode 57.^[8]
• June 28 – This Spartan Life premiered with the first two modules of episode 1.^[9]
• August 13 – The Codex ended with episode 20.^[10]
• August 29 – Season 4 of Red vs. Blue began with episode 58.^[11]
• September 27 – Rooster Teeth Productions' PANICS premiered.^[12]
• October 18 – PANICS ended with episode 4.^[12]
• November 22 – Alex Chan posts The French Democracy to The Movies' website.^[13]

• The Codex (2005)
• Fire Team Charlie (2003–2005)
• Neverending Nights (premiered 2004)
• PANICS (2005)
• Red vs. Blue (2003–)
• The Strangerhood (2004–2006)
• Strangerhood Studios (2005)
• This Spartan Life (premiered 2005)
• Time Commanders (2003–2005)