It was time to go undercover for her own extended good health.

Which made it easier for me to go undercover with a clear mind.

I was ready to go undercover, in pursuit of the priceless.

Celebs go undercover as substitute teachers to surprise unsuspecting students.

And it's not, I'm always, always deeply suspicious of any policeman who wants to go undercover.

We go undercover to a lot of schools.

You want me to go undercover, infiltrate them.

The Carte Blanche team will go undercover to expose the inner workings of this sophisticated syndicate.

Holmes was always putting on some fresh skirts to go undercover in his adventures, wasn't he?

It was difficult to go undercover when her face was forever popping up on cable reruns.

It would appear that the only available action to take at this point is to go undercover.

I mean, it's one thing to go undercover, but it's another to do it as a vegetable.

Now, we're having some fun in my hometown, Chicago, as I go undercover as a Lyft driver.

When do I get to go undercover?

Back then, each unit in the Gendarmerie and Police Nationale had used their own people to go undercover.

The dual Games medallist decided to go undercover to chase his dream after losing his passion for athletics.