Media playback is unsupported on your device

Ricky Gervais at Muppets Most Wanted London premiere

24 March 2014 Last updated at 20:32 GMT

Comedian and actor Ricky Gervais has attended the London premiere of Muppets Most Wanted.

The star of the Muppets film told the BBC's Lizo Mzimba it felt "real" talking to Constantine - an evil Russian frog- on set.

Most watched

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.