To mark the Hannah Montana series finale, TV WEEK looks back at the show that introduced Miley Cyrus to the world. The final episode of the series, now in its fourth season, will undoubtedly see thousands of girls glued to their TV sets, teary-eyed, as they farewell their role model (who in real life may have skidded off the tracks a bit!). So let's look at the show's best moments and biggest guest stars, as well as what all the cast members are doing next.