Billie Piper

Thundered back onto the BBC in a manner that honored the series' canon while also injecting new energy and reestablishing a show previously aimed primarily at children as one sophisticated enough that adult geeks could love it unabashedly.

A culminative reflection on the reboot's characterization of the Doctor, a respectful hat tip to the decades that preceded the show's return to the airwaves in 2005, and a jumping-off point for...the next fifty years of Who.