Reef is stoked to be judging an upcoming bikini contest, which Fin thinks is totally sexist. But Reef's plans go awry with the unannounced arrival of his Moms, who shows up for an embarrassing surprise visit to see her lil' Leslie. (Reef's real name!) Can Reef get rid of her before she ruins his entire summer? Meanwhile, Emma is devastated when her evil boss Kelly asks Ty out. With Lo's help, Emma conspires to ruin Kelly's date.