Third Rock from the Sun is the fourth studio album by Americancountry music artist Joe Diffie. The album's first five tracks were all released as singles, and all charted on the Billboard Hot Country Singles & Tracks (now Hot Country Songs) charts. Of these five singles, "Pickup Man" and "Third Rock from the Sun" were both Number One hits, "So Help Me Girl" reached #2, "I'm in Love with a Capital 'U'" reached #21, and "That Road Not Taken" peaked at #40. "Pickup Man" was also Diffie's longest-lasting Number One, having held that position for four weeks.