At Christy's sobriety party, the peaceful resolution to Tonya and Lila's longtime feud is broken up by the hero no one needed - Terra - in this clip from Season 7, Episode 7, "Sober Celebration."At Christy's sobriety party, the peaceful resolution to Tonya and Lila's longtime feud is broken up by the hero no one needed - Terra - in this clip from Season 7, Episode 7, "Sober Celebration."