Lexx (1997)

Season 4: Episode 22

As the Lexx flies away from Earth toward a new planet, the crew discovers a strange organic bulb on the galley counter. The bulb opens and reveals two round berries and a small potted plant. A holographic image of Lyekka's face appears and informs the crew that this is her thank-you gift for their helping her on Earth. Lyekka tells Kai the potted plant - a Yowraa-Taang - will open and bloom if he sings to it. Stan and Xev have been given the berries, which Lyekka says are the rarest and most exquisite delicacy in the two universes.