Why does Nicole, the babysitter, quit?
Who is the boy that Ellie's mom brings home one night?
Why does Grandpa look like a 13 year old boy?
What is Grandpa's real name?
Why doesn't Grandpa want to go to school?
Who is Ellie's new babysitter?
Who was Ellie's best friend?
What kind of food does Grandpa like?
What did Jonas Salk develop?
What is a scientist's most powerful tool?
Who developed the atomic bomb?
What did Ellie's grandma love to ride?
Why is Grandpa trying to break into his lab?
What does Grandpa say is terrible disease?
Why can't Ellie find Grandpa after school?
Why does Grandpa get detention?
What kind of science is cooking?
Who does Grandpa get to be his assistant?
Why does Grandpa borrow clothes from Ellie's mom?
Who established the laws of mothion?
Why do people burp and fart?
Why does mom not want to put the trash out at night?
What is Ellie doing for Halloween?
What is Ellie for Halloween?
What birthday does Ellie celebrate?
Who gives Ellie a microscope for her birthday?
What happened to the company Grandpa worked for?
How much does Grandpa pay the pizza place for his uniform?
How does Raj finally get the T. Melvinus out of the lab?
Who has a crush on Grandpa/Melvin?
What exhibit do Ellie and Raj go see in San Francisco?
What do Ellie and Grandpa have a disagreement about?
What does Grandpa do with his t. melvinus at the end?
What do Ellie and Grandpa both believe in?
Who is the 14th goldfish?
What gift foes Ellie receive in the mail from her Grandpa?
What does Grandpa get in the mail?