Portlandia on IFC: 6pm Monday through 5:30pm on Tuesday. Do yourself a favor and catch the 10:30pm episode, “Spyke and Irys want an unconventional wedding; Toni and Candace (the feminist bookstore owners seen here) have a book signing.” (Marathon schedule.)
The new season of Portlandia starts Friday, January 4th at 10pm.
Twilight Zone on SyFy: 8am Monday through 4:30am Wednesday.
The Walking Dead on AMC: 9pm Monday through 4am Tuesday.