Tonight, Jerry Seinfeld visited the Late Show for a rare stand-up performance. Inside, watch Seinfeld gripe about 5-Hour Energy drinks and how—nowadays—things either suck or are great. Also: Seinfeld and David Letterman discuss his recent White House performance.

While the rest of you have your eyes glued to the premiere of Conan O'Brien's new small screen effort, Conan, we at Gawker.TV were monitoring all of the other late-night shows for O'Brien-related mentions. Inside, video of everything we found.

Yesterday, Tina Fey stopped by the Late Show for a chat with David Letterman. When the topic switched to Sarah Palin, Fey confessed that she barely remembered how to do her famed impersonation before busting it out one last time.

LeBron James received quite the critique on last night's Late Show! Former NBA star/current blowhard Charles Barkley and David Letterman got real when speaking out about James' controversial switch from Cleveland to Miami. Check the clip to get the dirt.

First, CNN fired him. Then, Jon Stewart mocked him (video here). Now, Rick Sanchez has another embarrassment to add to the ever-growing list: being the butt of David Letterman's Late Show Top 10 List. Video of "Sanchez Excuses," inside.

Tonight, Jon Stewart visited David Letterman on the Late Show, and the two had quite the hilarious discussion about Oprah Winfrey. During the chat, Letterman revealed that Winfrey "hated" him "long before" the Academy Awards incident—and then explained why.

Last night, Snooki graced the Late Show with her guidette presence for an enlightening interview with David Letterman. The highlight of said interview, however, came at the end—when Snooki taught a reluctant Letterman to fist pump. Video inside.

The newly crowned Miss Universe, Jimena Navarrete, presented tonight's Late Show Top 10 List, "Ways Miss Universe Plans to Make the World a Better Place." Unfortunately, along with a couple of great ideas came a cheap shot at her country.

On last night's Late Show, Drew Barrymore was busy telling David Letterman about her perfect pooches when, suddenly, he started to roll up his sleeve, revealing several scars/bite marks that he says came from Sully, his "Satan" dog. Video inside.

Tonight, David Letterman welcomed Brian Williams to his show. For the first four minutes of their chat, Letterman did nothing but talk about Jay Leno—his voice, cars, etc.—and implore Williams not to appear on his show. Video inside.

On yesterday's Late Show, David Letterman had some choice remarks for retired-but-possibly-not-retired Brett Favre, who may or may not be bluffin' with his muffin. Want a bonus? How about this: Letterman also worked in an anti-Jay Leno joke! Video inside.

One night after M.I.A.'s disastrous Late Show performance, David Letterman welcomed "experimental performance artist" (according to her Wikipedia) Laurie Anderson on the program to, well, do some weird ass spoken-word/repetitive thing involving experts, problems, and the oil spill? Video inside.

Yes, people—even me, sometimes—enjoy making fun of Larry King. But tonight, David Letterman's Late Show Top 10 List—"Reasons Larry King Is Retiring"—was uncharacteristically harsh toward King, with multiple personal jabs at the sexxxy broadcaster. Video inside.

Hey, remember that Wimbledon match between John Isner and Nicolas Mahut that never ended, and then finally did? Well, Isner stopped by the Ed Sullivan Theater tonight to perform David Letterman's Late Show Top 10 list. The chuckle-worthy video, inside.

After declaring that he was "terrified" of oysters, clams and mussels tonight on the Late Show, Regis Philbin was force-fed an entire raw bar (courtesy Eric Ripert/Le Bernardin) by David Letterman—and it was strangely hilarious/endearing. Video inside.

On yesterday's Late Show, Rima Fakih (aka Miss USA 2010) visited to chat with David Letterman about cars, Detroit and things like such as before delivering the Top 10 List: "Things I Want To Do As Miss USA." Video inside.

Robert Halderman, the CBS producer who blackmailed David Letterman, was sentenced to six months today.

Everyone knows that Tina Fey is a fan of her four-year-old daughter, Alice. After Fey's interview with David Letterman on tonight's Late Show, however, it makes sense: Alice seems like one funny little girl. Like mother, like daughter? Video inside.

Jennifer Aniston stopped by the Late Show tonight for a chat with David Letterman. It was... awkward? Letterman randomly recited Aniston's filmography for her, brought up her age, obsessed over a magazine spread of her house, and more. Video inside.

Sadly, Robert Halderman, the CBS News producer who allegedly tried to blackmail David Letterman out of $2 million, will plead guilty today in exchange for an (extremely light) six month sentence. And the trial would have been so much fun!