Will & Grace - Season 2 Episode 22 My Best Friend's Tush Where there's a Will there's a Grace.
Overview: Grace is thrilled when, thanks to Karen's social connections, she gets the chance to land a prestigious client for her interior-decorating firm. The only problem? She must compete with international design goddess Helena Barnes. To help boost Grace's confidence, Karen assumes the alias of ""Anastasia Beaverhausen"" to dig up dirt on the socialite. Meanwhile, Jack tries marketing an odd invention: a tush pad for riding the New York City subway.