In 2003 Zajíček produced a short experimental student film, The End of the Individual (Czech: Konec jedince), a study of the social structure of society on a model of one's own death.
The film is a combination of 3D animation and live-action with a non-linear narrative.
The film received several awards and was received positively internationally.
In 2010, he created the short video montage Polys and contributed to the Czech pavilion at Expo 2010 in Shanghai, China.

He has also directed several commercials (for General Electric, ING, Nike, Skoda Auto, Kia Motors) and co-edited several documentaries.
In 2011 he edited a documentary about the impact of corporate psychopaths upon society, and how the overuse of anti-depressants can result in erratic behavior; entitled I Am Fishead, it featured Peter Coyote, Philip Zimbardo, Václav Havel, Nicholas Christakis, Robert D. Hare and Christopher J. Lane.
He was a co-creator (with rapper Vladimir 518) of the Czech TV documentary series Kmeny (Tribes), about urban subcultures, and in 2015 he wrote and directed the show's episode about hackers.
In 2016 he wrote and co-directed (with the female Czech graffiti artist Sany) a documentary about female graffiti entitled Girl Power, the first documentary on this topic.
It starred Martha Cooper, Lady Pink, and others, and was screened at cinemas and festivals all around the globe.
In 2003 Zajíček produced a short experimental student film, The End of the Individual (Czech: Konec jedince), a study of the social structure of society on a model of one's own death. The film is a combination of 3D animation and live-action with a non-linear narrative. The film received several awards and was received positively internationally. In 2010, he created the short video montage Polys and contributed to the Czech pavilion at Expo 2010 in Shanghai, China.
He has also directed several commercials (for General Electric, ING, Nike, Skoda Auto, Kia Motors) and co-edited several documentaries. In 2011 he edited a documentary about the impact of corporate psychopaths upon society, and how the overuse of anti-depressants can result in erratic behavior; entitled I Am Fishead, it featured Peter Coyote, Philip Zimbardo, Václav Havel, Nicholas Christakis, Robert D. Hare and Christopher J. Lane. He was a co-creator (with rapper Vladimir 518) of the Czech TV documentary series Kmeny (Tribes), about urban subcultures, and in 2015 he wrote and directed the show's episode about hackers. In 2016 he wrote and co-directed (with the female Czech graffiti artist Sany) a documentary about female graffiti entitled Girl Power, the first documentary on this topic. It starred Martha Cooper, Lady Pink, and others, and was screened at cinemas and festivals all around the globe.
Jan Zajíček