1Jamie Oliver
Pundits imply that Obama is mimicking George W. Bush, Hillary Clinton becomes a grandmother, Kim Jong-un battles a cheese addiction, and Jamie Oliver talks "Comfort Food."
2Jeffrey Tambor
A Muslim NFL player gets punished for praying, Bobby Jindal rethinks his pro-knowledge agenda, Hans Beinholtz accentuates the negative, and Jeffrey Tambor talks "Transparent."
3Mike Mullen
Author Louisa Lim discusses civil unrest in Hong Kong, Stephen offends Bill O'Reilly, and retired Navy Admiral Mike Mullen discusses ISIS and the Middle East.
4Lynn Sherr
Dr. Kent Sepkowitz discusses America's first Ebola case, rich Americans develop new ways to exclude others, and Lynn Sherr talks "Sally Ride: America's First Woman in Space."
5James M. McPherson
Gay marriage becomes legal in 30 states, Allison Orr Larsen explains amicus briefs, the CDC attempts to quell Ebola fears, and James M. McPherson talks "Embattled Rebel."
6Leon Wieseltier
CNN compares Ebola to ISIS, Rep. Tammy Duckworth talks about Illinois's 8th district, and The New Republic's Leon Wieseltier discusses "Insurrections of the Mind."
7Carol Burnett
John Boehner raises money for an openly gay politician, Obama faces pressure to name the war against ISIS, and Carol Burnett talks about her role in "Love Letters."
8Robert Plant
Seattle puts an end to Columbus Day, two toddlers argue about rain, political ads humanize Republicans, and Robert Plant shares songs from "lullaby and... The Ceaseless Roar."
9Walter Isaacson
Michelle Obama flubs a candidate's name, South Dakota's Senate race heats up, Stephen prepares for his final 32 episodes, and Walter Isaacson discusses "The Innovators."
10Neil Young
The Vatican promotes acceptance of gays, a Republican ad compares Governor Rick Scott to a wedding dress, and "Special Deluxe" author Neil Young performs a duet with Stephen.
11Justin Simien
Google botches Stephen's height, Stan Lee creates an Indian superhero, Sean Hannity shares his fitness secrets, and writer-director Justin Simien talks "Dear White People."
12William Deresiewicz
C.J. Chivers weighs in on abandoned WMDs found in Iraq, Rick Scott and Charlie Crist face off in an unusual debate, and author William Deresiewicz discusses "Excellent Sheep."
13Meredith Vieira
The Ebola virus arrives in New York City, Texas Rep. Louie Gohmert argues against gays in the military, and Meredith Vieira discusses "The Meredith Vieira Show."
14Michael Lewis
The government takes the fun out of Halloween, the NRA defeats a bill against pet eating, Gov. Tom Corbett gets caught using Photoshop, and Michael Lewis talks "Liar's Poker."
15Jill Lepore
Anita Sarkeesian discusses Gamergate, Kevin Vickers stops a shooting spree in Canada's parliament building, and Jill Lepore talks "The Secret History of Wonder Woman."
16David Miliband
Stephen unveils the paperback edition of "America Again," George Takei defends democracy, and David Miliband discusses the International Rescue Committee.
17Chuck Todd
Voters receive shame-inducing flyers, Hitler's face appears on Swiss coffee creamers, Disney offers animated cakes, and Chuck Todd talks "Meet the Press" and "The Stranger."
18Andrew Sullivan
Stephen provides live coverage of the midterms, cable news pundits flaunt high-tech gadgets, and "The Dish" blogger Andrew Sullivan weighs in on the election results.
19Kirsten Gillibrand
Rep. Barbara Lee talks about California's 13th district, voters legalize marijuana in Washington D.C., and Sen. Kirsten Gillibrand discusses "Off the Sidelines."
20Steven Johnson
Police arrest an elderly man for feeding the homeless, conservative leaders embrace their lack of scientific knowledge, and Steven Johnson talks "How We Got To Now."
21Andy Cohen
North Korea releases two American prisoners, Rush Limbaugh warns the GOP against governing, snack technology leaps forward, and Andy Cohen discusses "The Andy Cohen Diaries."
22Diane von Furstenberg
The U.S. targets the leader of ISIS, President Obama faces criticism after visiting China, and Diane von Furstenberg chats about "The Woman I Wanted to Be."
23Terence Tao
A drone is used to film people having sex, a Colorado lawmaker claims that President Obama is possessed by demons, and Terence Tao discusses his passion for math.
24Jennifer Lawrence
Emily Bazelon discusses a Supreme Court challenge to Obamacare, gay marriage spreads to South Carolina, and Jennifer Lawrence talks "The Hunger Games: Mockingjay - Part 1."
25Bernie Sanders
U2's Bono loses his luggage in midair, "Good Morning America" offers sensational survival tips, and Senator Bernie Sanders discusses health care and his plans for 2016.
26Eva Longoria
Freezing temperatures grip the nation, Esteban Colberto talks immigration reform, salvage stores sell expired food to the poor, and Eva Longoria discusses "Food Chains."
27Toni Morrison
A police drill causes panic at a Florida school, activists in New Hampshire target meter maids, Black Friday gets an early start, and Toni Morrison discusses her writing.
28Jon Stewart
President Obama's amnesty plan outrages Republicans, the world's chocolate supply drops to catastrophic levels, and Jon Stewart discusses his movie "Rosewater."
29John McCain
"Star Wars" fans react to a new lightsaber design, members of the St. Louis Rams protest the Ferguson decision, and Senator John McCain discusses "Thirteen Soldiers."
30Tony Bennett & Lady Gaga
Stephen announces an upcoming special in Washington, D.C., T.G.I. Friday's deploys mistletoe drones, and Tony Bennett and Lady Gaga talk about their album, "Cheek to Cheek."
31Christopher Nolan
Congress bans Social Security benefits for Nazis, Pizza Hut introduces a mind-reading menu, Amy Sedaris pays a surprise visit, and Christopher Nolan talks "Interstellar."
32Paul Farmer
Stephen lands an interview with President Obama, a grand jury decision sparks outrage, a soap opera producer becomes an ambassador, and Paul Farmer talks Partners In Health.
33President Barack Obama
In his Mr. Colbert Goes to Washington special, Stephen broadcasts from George Washington University and discusses job creation and immigration with President Barack Obama.
34James Corden
A Discovery Channel special sparks outrage, Rep. Jack Kingston joins Stephen for the final installment of Better Know a District, and James Corden discusses "Into the Woods."
35Sarah Koenig
Pundits react to a scathing Senate report on torture, Tom Blanton discusses CIA interrogation tactics, and Sarah Koenig talks about her investigative podcast, "Serial."
36Smaug
Gov. Scott Walker botches a Jewish phrase, Ridley Scott casts white actors to play Egyptians, Stephen raffles off set pieces from The Report, and Smaug discusses "The Hobbit."
37Seth Rogen
Michele Bachmann shares an explosive holiday wish with President Obama, Stephen argues with Stephen about torture, hackers attack Sony, and Seth Rogen talks "The Interview."
38Kendrick Lamar
Jeb Bush eyes a presidential run, Jason Bordoff discusses OPEC's oil price war, Stephen lets a sponsor rebrand The Report, and Kendrick Lamar debuts an untitled track.
39Phil Klay
The Report's set lives on in cyberspace, Stephen holds a yard sale to clear out his studio, the U.S. lifts its Cuban embargo, and author Phil Klay discusses "Redeployment."
40Grimmy
Stephen weighs in on his impressive legacy, Grimmy resorts to violence, friends of the show join a massive sing-along, and The Report draws to a spectacular close.