TV series example of the word

The Big Bang Theory Season 8, Episode 20
Enough chitchat. How do we know you are who you say you are?

The Big Bang Theory Season 4, Episode 3
You're right, he's a festival of humdrum chitchat.

The Big Bang Theory Season 6, Episode 3
Please reserve chitchat for your breaks, Ms. Jensen.

The Big Bang Theory Season 2, Episode 9
...it's more palatable to preface it with banal chitchat.