- Transformers: Generation 1 (1984-1987)
- The Transformers (Marvel) (1984-1991)
- The Transformers: The Movie (1986)
- Beast Wars (1996-1999)
- Beast Machines (1999-2001)
- Transformers: Armada (2002-2003)
- Transformers: Energon (2004)
- Transformers: Cybertron (2005)
- Transformers (2007) (2007)
- Transformers: Animated (2007-2009)
- The Transformers: All Hail Megatron (2008-2009)
- Transformers: Shattered Glass (2008-)
- Transformers: Revenge of The Fallen (2009)
- Transformers: Wings of Honor / Generation 2 Redux (2009-)
- Transformers: Prime (2010-2013)
- Transformers: Dark of the Moon (2011)
- Transformers: Rescue Bots (2011-2016)
- Transformers: Robots in Disguise (2015) (2015-2017)
- Transformers: Fall of Cybertron (2012)
- The Transformers: More than Meets the Eye (2012-)
- Transformers: Age of Extinction (2014)
- Transformers: The Last Knight (2017)
- The Transformers: Unicron (2018)
- Transformers: Cyberverse (2018-)
- Bumblebee (2018)
- Transformers: Last Bot Standing (2022)
- Transformers: EarthSpark (2022)
- Transformers: Rise of the Beasts (2023)
- Transformers (2023) (2023)
- Every time Optimus Prime dies. They do it in almost every series, for pretty much the same reason, and we still cry.