"The Shadow Out of Tim" is the Thickets' second theme album, after "Spaceship Zero". The title is a play on words from the H.P Lovecraft short story "The Shadow Out of Time". The album is an adaptation and a rock opera based on Lovecraft's story. The album recounts the tale of a marine biologist who found his body had "been possessed by an alien intelligence" and works to find out what happened. The album was released at the Summer Solstice (June 21) 2007.