The A-Files: Alien Songs is an album featuring alien or space themed songs from popular TV shows, notably built upon the X-Files theme music. A couple tracks feature alien creatures while humans Coko, from the R&B group Sisters With Voices, and Dave are featured in one track each.
- "Purple People Eater" (The Chipmunks feat. Purple People Eater) - 3:35
- "Men in Black" (Alvin feat. Coko) - 3:46
- "X-Files Theme" (Alvin & Brittany) - 3:06
- "Rocket Man" (The Chipmunks feat. Dave) - 3:35
- "Venus" (The Chipettes) - 3:33
- "Time Warp" (The Chipmunks & The Chipettes) - 3:41
- "People Are Strange" (The Chipmunks feat. The Alien) - 3:23
- "Cantina Band" (The Chipmunks) - 2:44
- "Mr. Spaceman" (The Chipmunks) - 2:56
- "Destination Unknown" (The Chipettes) - 3:32 
The album did not chart.
- Alvin and Brittany portray the roles of Moldy and Scuffy in the "X-Files Theme."
- The popular conspiracy theory that Elvis Presley is still alive is alluded to in the "X-Files Theme."
- In "Time Warp", Alvin, Simon and Theodore portray the roles of Riff Raff, Dr. Scott, Magenta, and Columbia respectively. Brittany, Jeanette and Eleanor unfortunately do not have roles in the track.
- This is the last Chipmunks album with Jai Winding as a band member.