The gang investigates when Euclid and Gilroy spot a mysterious creature in the lake. Gram's birthday is coming up, and Llama's got big plans!

Llama learns how to be brave when he gets hurt and has to see a doctor. Nelly needs a little help to give her dad the best Father's Day ever.

The kids are excited to see their first meteor shower ... but cloudy weather could ruin everything! Luna stresses out about an upcoming art show.