Hayden Christensen and Ewan McGregor share their thoughts on what Darth Vader and Obi-Wan Kenobi were doing since the end of 'Star Wars: Episode III' and start of 'Obi-Wan Kenobi.'
Ewan McGregor and Hayden Christensen join BBC Radio 1's film critic Ali Plumb to look back on their iconic Star Wars characters as they return for new show Obi-Wan Kenobi.
