Stewart added that he hasn't talked to C.K. since the news broke.
The former "Daily Show" host also seized the opportunity to talk about a clip of him that's resurfaced in the wake of the Louis C.K. scandal.
Stewart went on to say that "comedy on its best day is not a great environment for women" and even though it's gotten better in recent years, it is still a tough field for women. "Could I have done more?' And in this situation, I think we all could've".
"You give your friends the benefit of the doubt", Stewart said, alluding to friends with compulsions they're working through. It's gotten better over the years, but certainly when we started 30 years ago, it was really hard. "[The audience member] said, 'What do you think about the allegations against Louis C.K.?' and my first response was, "What?..." It is said to explore the power imbalance between young women and older men, and it includes a scene where an actor pantomimes masturbating in front of a female colleague. Appearing on a podcast hosted by David Axelrod, the former chief campaign strategist for Barack Obama, Stewart was asked by an audience member if there was a chance C.K. might be The Daily Show's last guest with Stewart as host, with the audience member, Dan Ackerman, alluding to the allegations surrounding C.K. "I don't know what you're talking about but - I can't really answer".
"You get mad at yourself to for laughing it off, for thinking, 'that didn't happen, '" he added later.
"So the internet said Louis harassed women?"
Silva to accept Watford's refusal over Everton approach
The managerial hotseat is up for grabs at Goodison Park , after Ronald Koeman was sacked by the Toffees last month. Dyche, thought to be keen on talking to Everton, would cost £2.5 million in compensation.
And so, ever since the NYT report on Louis C.K. detailing his habit of masturbating in front of unwilling women dropped, fans of Stewart have wondered about his reaction to it all. I don't know what you're talking about...
The fallout from reports that Louis C.K.
"Digging around in it, finding out what some people had done, it was hard", Stewart said.
Though it's a little unclear, Stewart then suggests that he and his team looked into the allegations at that point but that "we were all assured, no, and we took somebody's word for it, and maybe that's an error on our part".
Stewart continued, saying "I do apologize". In a statement released on Friday, C.K. said the stories told to the Times "are true" and that he was "remorseful of my actions".