The Ghost Club goes to the park and meets Jasper, who hears a voice in the trees. Later they learn about the Tongva — Indigenous people of Los Angeles.

Drumming noises at Sonya's café keep waking up her neighbor. Eva and the Ghost Club gather clues by exploring Leimert Park's musical history.

Chef Jo's opening a new restaurant in Boyle Heights — but strange things keep happening. By learning about the past, Zelda helps solve the mystery.

The team interviews Yulissa, who teaches Oaxacan music. She's looking for her missing friend Chepe, a colorful ghost who communicates by whistling.

Thomas visits John, who works at a Venice skate shop. He's concerned about Sam, an 8-year-old skateboarder who says she's been hanging out with a ghost.

Zen and her mom Atomic Nancy, a fluffy ghost with a punky past, help the kids investigate strange noises at the Bob Baker Marionette Theater.