Best TV shows of 2013 photo gallery
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Watch now: iTunes, Amazon, DVD; Season 5 begins Jan. 7
In its stellar fourth season, perennial favorite "Justified" tweaked its game by having Deputy U.S. Marshal Raylan Givens (Timothy Olyphant) take on a D. B. Cooper¿inspired cold case that involved the father he reviles and eventually his friend turned nemesis Boyd Crowder (Walton Goggins). It was a treat watching Olyphant go head-to-head with William J. Barry, who plays Raylan's dad Arlo, and with Goggins, who one the most underrated actors on TV. The season rewarded long-time viewers by using tying events or revelations to those in past seasons as Raylan's search to learn about the man who fell to earth dug up three decades' worth of Harlan County (criminal) history. This show is so layered I watch episodes multiple times and still discover nuances previously missed.