improvise

Roberts: I think in the earlier seasons, we were more improvising and things like that.

An improvised fireless slow cooker is built from little more than a wooden box, expanding foam, and a yoga mat - and it works.

This collaboration was recorded with no rehearsals and improvised in single takes.

They said they have had to improvise and use plastic bags as gloves, and use lemonade and water to clean the grill.

The moment - during part of the show where Martin serenades audience members with an improvised song - went viral, and has reportedly led to at least one divorce.