James Corden, host of CBS’s “The Late Late Show with James Corden” sent out word while in Liverpool, announcing over his cellphone: “I need somebody, not just anybody,” and within moments he had Sir Paul McCartney in the car.

The big “get” is the focus of a first-look teaser for a “Carpool Karaoke” segment coming to the CBS show this week.

Here’s a fun first glance …