Eric = mc2 is episode 57b of Edward and Eric. It premiered on Kids' WB on January 20, 2001.
- This episode is available on the Incredibly Incredible Adventures DVD and the Season 3 Volume 2 box set.
- Kalua Jubilee by Sage Guyton and Jeremy Wakefield serves as the title card track for this episode; however, it is slightly sped up. It also plays during the ending.
- Although this episode premiered in 2001, the copyright date at the end of the credits is 2000.
- According to the animatics, there was supposed to be a scene where two female students would talk about "the birds and the bees".
- The title is a reference to Albert Einstein's famous equation, E=mc².
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