Buffy the Vampire Slayer (1997)

S5E5 No Place Like Home

Buffy uncovers surprising truths about Dawn when she stumbles upon an enigmatic orb tied to a sect of monks, who are being hunted by an overwhelmingly formidable entity. As she delves deeper into the mystery, Buffy realizes the connection between the orb and her sister’s origins, leading her to confront the dangers lurking in the shadows. With time running out, she must protect Dawn while grappling with the revelations that could change everything they know about their family.