In this chaotic three weeks period, the series underwent a dramatic concept overhaul.

The series underwent significant changes during its second season.

The series underwent further changes during the months leading up to and following its debut.

But he conceded that the series had undergone some natural erosion.

After an underwhelming performance, the series underwent several casting adjustments for the second half of the first season.

The series underwent a large boom in popularity in the 1990s.

After three seasons, the series underwent a major change in 2001.

With the confirmation of a second season, it was revealed that the series would undergo serious changes before the premiere.

The series underwent cast changes between the third and fourth seasons, one which dramatically altered its tone.

Beginning in 2006, the series underwent restoration and remastering to 35mm.