Lone Star is the second half of the thirty-fourth episode of Ready Jet Go!.
Sydney knows a lot about Boxwood Terrace's early history, and she tells Jet stories about a local pioneer who went by the nickname "Lone Star." He got that name because he was an early astronomer who liked the hills of Boxwood Terrace for their excellent views of the night sky, and built the first Observatory on the hill that now sits at the center of the Deep Space Array. As Jet imagines Sydney's story of Lone Star, the kids turn the story into a Western-flavored musical.
- This episode reveals that Lone Star was actually Bergs' great-great grandfather.
- This episode establishes more lore about the show:
- Boxwood Terrace used to be called Boxwood Territory.
- The Deep Space Array started out as just a small observatory on a hill built by Lone Star.
- The roles of everyone in the story:
- Jet: Lone Star.
- Sydney: both a random citizen, and the town's only science teacher.
- Sean: a cranky shopkeeper that says "poppycock" a lot.
- Mindy: a cowgirl.
- Sunspot: Lone Star's horse.
- Error: Sunspot, who is Jet/Lone Star's "horse", is briefly shown angrily pointing a shovel at Jet/Lone Star to get him to leave Boxwood Territory along with Sean/Shopkeeper and Sydney/Random Citizen. But afterwards, Jet/Lone Star is seen riding away on Sunspot.
- "I'm Not Afraid of New Ideas" would later be sung in Galileo, Galileo!.
- The episode later got a sequel episode called Lone Star 2 - Rocket Kids!.