|Episode 4.01 - "The Avengers" |

• "Running Up That Hill" by Placebo - Buy Now! • "Save Me" by Jude - Buy Now! • "Song For The Sunshine" by Belle & Sebastian - Buy Now! • "Mr. Blue" By Catherine Feeney - Buy Now! • "Bootleg Saint" by Sam Roberts - Buy Now! • "A Bad Dream" by Keane - Buy Now!
|Episode 4.02 - "The Gringos" |

• "The Long Winters" by Fire Island, AK - Buy Now! • "Pa' Arriba" by Descemer - Buy Now! • "Quiero Mi Pastilla" by Plastillina Mosh - Buy Now! • "La Chirriona" by Banda Jerez - Buy Now! • "Can You Feel It?" by Lockdown Project - Buy Now! • "Lagrimas de Oro" by Manu Chao - Buy Now! • "The End's Not Near" by Band of Horses - Buy Now! |Episode 4.03 - "The Cold Turkey" |

• "One More With Feeling" by Get Cape. Wear Cape. Fly - Buy Now! • "Black Swan" by Thom Yorke - Buy Now! • "All Of My Days" by Alexi Murdoch - Buy Now! |Episode 4.04 - "The Metamorphosis" |

• "Hello Sunshine" by Syd Matters - Buy Now! • "Orange Crush" by Editors - Buy Now! • "De Un Mundo Raro" by Ranchera All Stars - Buy Now! • "Pageant Of The Bizarre" by Zero 7 - Buy Now! • "Ella" by Ranchera Stars - Buy Now! • "Love Me Or Hate Me" by Lady Sovereign - Buy Now! • "Dem Jeans" by Chingy - Buy Now! • "Pa Todo El Ano" by Ranchera All Stars - Buy Now! • "Siempre Hace Frio" by Ranchera Allstars - Buy Now! • "Voodoo" by Chelo - Buy Now! • "Tu Solo" by Ranchera Allstars - Buy Now! • "Cava Del Rio" by Senza - Buy Now! • "Love You Till The End" by The Pogues - Buy