Bat Mitzvah Crashers/Super Secret Weakness

S1, E5: When Bessie and Penny attend their very first Bat Mitzvah and have the time of their lives, they decide that the fun can’t end there – they’re going on a Bat Mitzvah crashing spree!  But when their hard-partying lifestyle begins to take its toll, they decide it’s time to call it quits… until they overhear Portia’s cousin, Chelsea, planning the Bat Mitzvah of the century! When Ben points out that every superhero has a weakness, Bessie becomes determined to discover the Mighty Bee’s weakness before anyone else does.  She tests every single animal, vegetable and mineral until finally, she discovers that her weakness is the very last thing on her list – zucchini.  Bessie is on a mission to save the Mighty Bee – and the world – by getting all zucchini out of the Bay Area!