The Blacklist - Episode 4.20 - The Debt Collector - Promo, Sneak Peek, Promotional Photos & Press Release By SpoilerTV (May 10, 2017, 3:29 am)
"THE DEBT COLLECTOR"
05/11/2017 (10:00PM - 11:00PM) (Thursday) : When Liz (Megan Boone) becomes the target of a mercenary known as the Debt Collector, Red (James Spader) turns to an unlikely source for help. Meanwhile, Ressler (Diego Klattenhoff) faces an unexpected complication in his efforts to stay ahead of Agent Gale's (Enrique Murciano) investigation. Fisher Stevens guest stars.