The Blacklist Tom (Ryan Eggold) is missing and Liz (Megan Boone) retraces his last steps before he disappeared to try to find him. James Spader, Harry Lennix and Diego Klattenhoff also star in the crime drama’s fall finale. 8 p.m. NBC
Riverdale The mayor’s (Robin Givens) actions stoke tensions between factions in the town, leaving Archie and Jughead (KJ Apa, Cole Sprouse) to try to try to stop a dangerous alliance from forming. 8 p.m. KTLA
The Goldbergs Uncle Marvin (guest star Dan Fogler) has a new job as a stockbroker and wants Barry (Troy Gentile) to be his client, but Murray (Jeff Garlin) isn’t so sure....