Melissa & Joey: Season 1, Episode 14

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Mel hires a personal trainer, Lindsay, to get in shape for a school charity run. After Mel catches Joe in a compromising position with Lindsay, Mel and Joe agree to see Lindsay on separate schedules. Meanwhile, Lennox rekindles a platonic friendship with a geeky classmate who used to have a crush on her, but now that he's dating her friend, some jealousy sets in.