If you're like us and value your sleep, you probably nodded off into your Ambien dreamland before the party started on post-prime time TV. Don't worry; we've got you covered. Here's the best of what happened last night on late night.

He's back! Borat showed up to "Jimmy Kimmel Live" -- "My name-a Borat, I like porno" -- to warn everyone against actor Sacha Baron Cohen, and premiere the latest trailer for Cohen's movie, "The Brothers Grimsby." Borat also had a bit of sexy time with Jimmy's "Jimmy Kimmel," explaining that -- in his country, Kazakhstan -- "Kimmel" is the name for a lady's "vagine" and "Jimmy" means "much hair." "For example, my wife, she has a very Jimmy Kimmel." Haha. And did you know Donald Trump isn't real, he's a Sacha Baron Cohen character, "a parody of a rich American racist"? That makes sense. When Amy Poehler and Jimmy Fallon get together, magic happens -- even in the commercial breaks. Wednesday, December 9 on "The Tonight Show," Amy talked about "Sisters," her new movie with Tina Fey, but during the commercial break she came up with a great new fake movie called "Chuck and Carrie Are Not Married." The story of how that came about is great, and you should watch it before watching "Truth or Truth," which is a version of Truth or Dare where there is only one option. Chuck is referenced again in that game, which is won by Jimmy with the answer to Amy's query, "Where is someplace you've never had sex?" Answer: "My 20s." Ba dum dum! "Downton Abbey" Season 6, the final season, is starting soon on PBS and three cast members were on "The Late Show with Stephen Colbert" to illustrate why the show is so successful: British accents. (Yesterday it was saying things in French, today it's British accents. Stephen has found a theme.) Stephen gave Michelle Dockery, Hugh Bonneville, and Allen Leech an actual scene from the show and they each read their parts in broad American accents. Michelle went full Valley girl but Allen (Branson) owned the whole thing with his, like, surfer frat dude voice. It's killer, bruh! Here's another great round of "What Conan's Watching," with new TV blurb descriptions for shows like "Empire," "NCIS," "Dr. Phil," "The Good Wife," "Castle," and -- hmm, how did this get in there? -- Andy Richter's new show. Tyler Oakley just returned from shooting "The Amazing Race" and James Corden tried to get some spoilers out of him:

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