Lost's Finale Will Be the Biggest Thing on ABC Since Roseanne 10.00K Brian Moylan 04/19/10 02:20PM Filed to: Getting lost Getting lost Lost Abc Jimmy Kimmel Defamer ABC is dedicating five—yes, five—hours of programming to the show's finale on May 23: a two hour retrospective, the two-hour episode, and then a special all-Lost episode of Jimmy Kimmel at midnight. This thing better not disappoint!