Spin-offs
- Graphic novel
The film has been adapted into a limited edition graphic novel by artist James Hill, first released as a San Diego Comic-Con Exclusive at 2010's Comic-Con International.
- Web series
A seven-episode Yesterday Was a Lie viral web series, based on Nathan Mobley's "Lab Assistant" character from the feature film, debuted on Blip.tv in January 2011, and is also viewable as an Easter egg on the film's official site.
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