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In what would now be labeled a "very special episode", DJ (Candace Cameron) is too self-conscious to don a bathing suit for a pill party. Worried that she is out of shape, DJ goes on a crash diet--mainly by not eating anything--and nearly kills herself in the process. Though sworn to secrecy concerning the diet, Steph (Jodie Sweetin) breaks her silence to rescue DJ before she does any more damage to herself. Meanwhile, Michelle (played by the Olsen twins) faces an entirely different weight issue when she overindulges on wedding cake.