What is the feeling of the story in Chapter 5. Also, what is the mood and tone for this chapter? Mr. Poppers Penguins

Mr. Popper calls a serviceman to help make Captain Cook more comfortable. Captain Cook is in the children's room, watching the children put together a jigsaw puzzle, when the doorbell rings. Mr. Popper greets a service man at the door. Mr. Popper takes him to the refrigerator, and asks him to drill air holes into the door.The mood is surprising and funny. The tone is light.