"Series Regular" host Josh Wigler dives deep into the fourth week of HBO's "Watchmen," Damon Lindelof's drama based in the world of Alan Moore and Dave Gibbons' seminal graphic novel. In their discussion of episode four, Josh and co-host Antonio Mazzaro take the time to discuss Lady Trieu, the mysterious new character played by Hong Chau. Even more mysterious: "Lube Man," the new costumed avenger sliding around Tulsa. These characters, plus more on Sister Night and Adrian Veidt, are front and center in the latest episode of the weekly "Watchmen" coverage.