TV Guide SHOWTIME SHOWCASE Sunday

During the Christmas holiday festivities with the royal family at the queen's estate, Princess Diana, decides to end her marriage to Prince Charles.

When a woman and a man meet up during a night on the town, the woman is forced to run for her life after the man suddenly turns violent and deranged.

During the early 1970s, a 15-year-old rock journalist hits the road with an up-and-coming rock band to capture their rise to national prominence.

An aging criminal goes straight, but after receiving an offer he cannot refuse, he teams up with a talented thief to steal a historical French scepter.

A Chicago teen moves to a small town where dancing and rock 'n' roll are banned and tries to persuade the city fathers to let him stage a high school dance.

Perpetually bumbling Bridget becomes suspicious of boyfriend Mark's relationship with his new co-worker and she goes to Thailand with playboy Daniel Cleaver.

Officers Schmidt and Jenko go deep undercover at a local college, but they find themselves in opposite places, they question their partnership.

When a lifelong friendship is abruptly ended, it sends one of them on a mission to find the real reason to their friendship's demise.

A former homicide detective suffering from memory loss must put the pieces he can't recall together to solve a decade-old investigation.

When aging begins to interfere with a professional hitman's job, he gets reassigned to train his much younger, egotistical replacement.

Two underachieving police officers are recruited to go undercover at a local high school to investigate and bust a synthetic drug ring.

Officers Schmidt and Jenko go deep undercover at a local college, but they find themselves in opposite places, they question their partnership.

A family man becomes tormented by his role as a drone pilot killing unclear enemies and even the innocent, causing him to question his superiors and his future.

A private eye, who gets hired to probe a suspicious death in a small town, suspects the case is tied to the same conspiracy that caused his daughter's demise.

An aging criminal goes straight, but after receiving an offer he cannot refuse, he teams up with a talented thief to steal a historical French scepter.