It's the last in the series and the family fear that they won't get another series if this show wasn't good. So after the Jonathan Ross interview (and he told a funny story on how one time he thought he was a Sikh), the Kumars still didn't think it was good enough. So the pressure's on on the Tony Adams interview but they still have doubts. But at the end, when they have a party as it's the last of the series, Sanjeev says he's sure they're get another series. (thetvdb.com)