Drifters - Season 4 Episode 5 -

After recent embarrassing escapades the trio decides to give up drink and live a healthy life style, though this does bode well for Bunny who has to leave a stool sample in a hotel room following anonymous sex. However Meg sees the opportunity to impress her family by entering herself and her friends for a charity marathon. Unfortunately the night before the run Laura leads them all astray and their performance in the race is not exactly to their credit.