The GGs go undercover as hookers to investigate a series of deaths at a brothel run by a feisty madam (Natasha Leggero)―and get a little more involved than they planned.

A group of kids call the GGs to investigate the haunting of their baseball field by the legendary ghost "Bloody Bat" (Colin Hanks), who reportedly decapitates children and drinks their blood.

Megan's dates are being haunted by her ex, so she calls the GGs. They help solve the ghost's unfinished business as they witness some afterlife romance.

Heidi is possessed by a writer who forces her to write his racist, mysogynistic book―which then becomes a huge success. But Heidi doesn't realize what she wrote―and how offensive it is!

A 1970s club owner is haunting an accounting office, hoping for one last rager before he crosses over. Kumail Nanjiani, Molly Shannon, and Brett Gelman guest-star.

A ghost bully is haunting one of the kids at school. Worried that the ghost will ruin his talent show act, the kid hires the GGs, who quickly remember what it's like to be back in middle school.

The GGs help a retiree haunted by her husband's best friend, who, it turns out, always loved her.

A resort hotel is haunted by the ghost of a bridesmaid who never got to give her speech, and the GGs are called in to help her cross over. Paul F. Tompkins guest-star.

A recording studio is haunted be a 1970s Southern country rock band. Before the GGs can solve the case, Heidi gets a reality TV pilot with her mom and leaves to shoot it, which causes a big fight between the GGs. Jack Black and Dave Grohl guest-star.

While Heidi struggles with her TV pilot, Angelica helps the ghost band reconcile their differences―and realizes she needs to reconcile hers with Heidi as well. Jack Black, Dave Grohl, and Val Kilmer guest-star.

The GGs answer a house call, find a "ghost baby," then learn they're at the wrong house. When the babysitter hears the girls in the house, she calls their rivals, the Ghost Bros, to the scene. Jason Schwartzman and Jason Ritter guest-star.

Jake Johnson is Eddie, who calls on the GGs with a question about a mysterious presence in his house. Eddie, his cute roommate (Jason Ritter), and the girls hold an impromptu sance and get an unexpected answer.