They are seen sharing tips on how to stay healthy amid the pandemic in a children-focused animated video, reports hollywoodreporter.com.
It features Emmet (Pratt) and Lucy (Banks) as they sing a song to help children remember ways to avoid spreading of COVID-19.
The video opens with Lucy discussing the "darkness" of COVID-19. "The world as we knew it is over," said Lucy. After calling the pandemic an "apocalypse", she said: "Everything is not awesome." Then Emmet soon approached Lucy.
Emmet said they will be discussing "the coronavirus novel", adding "I admit I didn't read the other 18 books in the series".