Politickling: TMSIDK Episode 18

Major Garrett, Alexandra Petri and Robby Mook are panelists in Washington, D.C. The CBS Chief White House Correspondent, the Washington Post humor columnist and Hillary Clinton's campaign manager step out of the swamp for some more light-hearted politics: from foreign cars to the last state in the union. Femi Oke is fact-checker.

Rivalry: TMSIDK Episode 17

We kick-off the third season of Tell Me Something I Don't Know with a show on competition of all kinds: athletic, sexual, geopolitical, and the little-known battle between butter and margarine that landed in the Supreme Court.

Sneak Peek of TMSIDK Season 3

Season 3 of Tell Me Something I Don’t Know is coming to your ears! Prepare yourself for 10 shiny new episodes — full of fresh knowledge — starting June 4.

Music: TMSIDK Episode 16

Danny Goldberg, Faith Salie and David Hajdu are panelists. The record executive, the comedian/journalist and the music critic face the music, including industrial instruments, female composers and the all-important bridge. Our real-time fact-checker is Dan Zanes, accompanied by his live band.

Wannabes: TMSIDK Episode 15

Tim Harford, Carla Hayden and Rahmein Mostafavi are panelists. The "Undercover Economist," the Librarian of Congress and the comedian join TMSIDK in Washington, D.C. — the city that wants to be a state — to learn about wannabes, from international spies to new human organs. Femi Oke is fact-checker.

Oh, My God: TMSIDK Episode 14

John Fugelsang, Tami Sagher and Aman Ali are panelists. Who better to help us talk through religion than these three comedians? We look into unholy fruit, religion in banking and the politics of reincarnation. A.J. Jacobs is fact-checker.

Stupid Stuff: TMSIDK Episode 12

This episode of Tell Me Something I Don't Know is all about "Stupid Stuff" — things that seem stupid but aren't and things don't but are.

Under the Hood: TMSIDK Episode 11

This week, we go "Under the Hood," unearthing the secrets behind concealed ovulation, kosher food, cheesy dreams, pneumatic felines and negotiating.

Collections: TMSIDK Episode 10

We've gathered amazing and surprising facts from the world of Collections. We're not talking baseball cards and Beanie Babies—we've got: glucose, gamma rays, brainwaves, fake art and some very blue Russian.

Wordz: TMSIDK Episode 9

This episode of Tell Me Something I Don't Know is all about the written — or spoken, or programmed, or texted — word. Let's start with the letter "A": abbreviations, absenteeism, AI, advertisements and ...a rising tide.