VIDEO: Sneak Peek - 'Frederick Barnes' Episode of NBC's THE BLACKLIST

On the next episode of NBC's THE BLACKLIST titled 'Frederick Barnes', after a chemical attack on a subway, Liz (Megan Boone) and the FBI search for the man responsible. Liz reluctantly calls on Red (James Spader) for his help after she finds her search for the next person on the blacklist, brilliant scientist Frederick Barnes (guest star Robert Sean Leonard), heading to a dead end.

Meanwhile, Liz wants nothing to do with Red after he implicated Tom (Ryan Eggold). DIEGO KLATTENHOFF, Parminder Nagra, Harry Lennix also star. Robert Sean Leonard guest stars.

The episode airs Monday, November 4th at 10/9c on NBC. Get a sneak peek below!