S4.E26 ∙ Keroro - Saraba Itoshiki Keroro! De arimasu/Keroro - Metsubou he no Kauntodaun de arimasu

Based on a novel by Feng Diu Zi, an alien crash lands onto earth and possesses the body of Tang Qing Ye, igniting a sweet and funny romance with her 'brother' Tang Qing Feng. During the reign of Dai Zong, there was continuous unrest across the borders. The 6th Prince Li Yi was named as the Crown Prince after he succeeded in defeating their enemies. He also made plans to marry his childhood sweetheart Tang Qing Ye who is the illegitimate daughter of the Tang Family. Tang Qing Ye's stepmother finds out about it and sends assassins to kill Qing Ye while using her political pull to ensure that her own daughter is married to the Crown Prince instead. As Qing Ye runs for her life, Ah Bu Cha Cha's spaceship crashes on earth, and she is forced to inhabit the body of Qing Ye, pretending to be Tang Qing Feng's little sister in the process. Tang Qing Feng and the Crown Prince are two outstanding young leaders of their time. Together with Qing Ye, the three become embroiled in a dangerous conspiracy. Meanwhile, there's also the part about aliens in this story.

A widowed former reverend living with his children and brother on a Pennsylvania farm finds mysterious crop circles in their fields, which suggests something more frightening to come.

An Arizona logger mysteriously disappears for five days in an alleged encounter with a flying saucer in 1975. His co-workers endure ridicule and contempt as they are wrongly accused of murder.

A family struggles for survival in a world invaded by blind alien creatures with ultra-sensitive hearing.

Linguist Louise Banks leads a team of investigators when gigantic spaceships touch down around the world. As nations teeter on the verge of global war, Banks and her crew must find a way to communicate with the extraterrestrial visitors.

A young woman named Sam finds herself trapped in New York City during the early stages of an invasion by alien creatures with ultra-sensitive hearing.