S4·E26 Lucy, the Superwoman

When a heavy computer accidentally falls on Mr. Mooney's foot, with a burst of adrenaline Lucy finds herself able to lift the massive machine on her own, exhibiting superhuman strength. Surprisingly, her adrenal gland remains "on," leaving her with an ongoing power that grants her incredible abilities. However, Lucy's newfound strength comes with a downside. Her superhuman power proves to be uncontrollable, causing unintentional destruction wherever she goes.