On the eve of Battle of the Bands, Joey hurts his knee, putting ZO2's entry into question - and turning their biggest rival, Steel Panther, into the favorites to win the competition and take home the $15,000 prize. Just when they think the situation couldn't get worse, an old flame of David's comes back into the picture -- nine months pregnant, and recently engaged to a former pro football player with a jealous streak.
Stars: