Longtime viewers might remember a time when for one wild week a year, they could buy everything from spark plugs to mink coats right here at our studios. Geoffrey Baer revisits that era.

The new WTTW-produced PBS series “Prehistoric Road Trip” is a project more than two billion years in the making. Host Emily Graslie tells us about the show.

Chicagoans may never agree about sports teams or local politics, but if there’s one thing that unites the city, it’s our elevated train lines — known, of course, as the “L.” Geoffrey Baer has this preview of the highly anticipated show.

If there’s one thing Aleksandra August hopes viewers take away from her new show “Flavor of Poland,” it’s that they learn something more about the country than its offerings of pierogi and kielbasa.

Marvin Goldsmith, who served for decades on the board of WWCI, the parent organization of WTTW and WFMT, died Thursday. He was 84 years old.

A new documentary series from WTTW looks at how gun violence affects Chicagoans – and what some of them are doing to stem it. We speak with “Firsthand” director and producer Dan Protess.

“Check, Please!” host, restaurateur and master sommelier Alpana Singh dishes on the new season of the Emmy award-winning show, which debuts Friday on WTTW.

The station will be off the air for two to three hours starting at 12 a.m. Tuesday as the station puts in a new transmitter and changes frequencies. If you watch WTTW stations over the air, you’ll need to rescan your TV.

More business news is coming to “Chicago Tonight” starting this week. Through a partnership with Crain’s Chicago Business, we’ll offer a regular feature on the TV show every Monday through Thursday night.

A Chicago native is returning home to cover the city’s vibrant arts scene for “Chicago Tonight.”

He was fun. He was smart. And he was the best journalist many of us have ever known. John Callaway, the founder of “Chicago Tonight,” died 10 years ago this weekend. We remember the man and his legacy.

Brandis Friedman will be off the air for the next few weeks as she welcomes a new addition to her family. The “Chicago Tonight” host and correspondent has been with WTTW since 2013.

From humble beginnings in Massillon, Ohio, to a high-powered federal prosecutor – to mayor of Chicago. Our in-depth profile of the events that shaped the life of Lori Lightfoot.

“Chicago Tonight” has won three prestigious Lisagor awards for the best in Chicago journalism, for the best in arts, education and government news.

On this date, 35 years ago, “Chicago Tonight” was born. Watch the premiere episode, featuring an interview with John Callaway and Mayor Harold Washington.

From humble beginnings in Massillon, Ohio, to a high-powered federal prosecutor. We bring you an in-depth profile of mayoral candidate Lori Lightfoot.