The café patrons suggest different ways to cure Polar Bear’s insomnia.  Unable to sleep, Grizzly does some work around the café while Polar Bear shares a story from their youth. 
I think it's working.
Es todo un éxito, ¿no?
Creo que funciona, ¿no?
Ça a l’air de bien marcher !
Acho que está funcionando.