Polly, Pattinson And Paranormal Activity: The Best Of The Weekend’s TV

From aliens to elephants, there's plenty to watch tonight! Saturday… Saturday Night with Miriam – RTÉ One (9.50pm) As she does every Saturday night, Miriam O’Callaghan is back this week with more famous faces and stories from the week.   District 9 – Channel 4 (10.25pm) A bureaucrat is tasked with moving the alien refugees who arrived in South Africa in the 1980s to a different area. Sci-fi drama with Sharlto Copley and Jason Cope.   Paranormal Activity 2 – RTE Two (12.45am) In this horror prequel, a family fix their home with surveillance cameras after unexplainable things start happening. Sunday… Water for Elephants – Channel 4 (5.45pm) A veterinary student joins a travelling circus and ends up falling in love with the owner’s wife. Starring Reese Witherspoon and Robert Pattinson. Secrets of the Irish Landscape – RTÉ One (7.30pm) Derek Mooney follows in the footsteps of one of Ireland’s greatest unsung scientists, Robert Lloyd Praeger. Along Came Polly – RTÉ One (9.30pm) A very cautious man (Ben Stiller) ends up falling for one of his former classmates who just happens to be his complete opposite (Jennifer Aniston).