After the North American mini-tours in 2008, the band returned to their studio in Hamburg to record the album.

[5] In total, 25 songs were recorded for the album with originally 13 making the final track listing.

The album title, Humanoid, is a word derived from science fiction which means 'human like'.

"On June 17, 2009, short versions of two of the new English songs, "Dark Side of the Sun" and "Pain of Love", were leaked on the Internet.

On July 21, 2009, Nokia.de told the public that they had signed a deal with Tokio Hotel to become the new face of Nokia.

In return, Tokio Hotel got a poster campaign and an unplugged performance which was held on August 27 in Cologne, Germany and tickets were available through a contest.

"[13] On November 5, the band performed the song "World Behind My Wall" at the 2009 MTV Europe Music Awards.