Which 1975 comedy features "the Knights Who Say Ni", who demand a shrubbery?

In Ken Russell's 1975 film "Lisztomania", Roger Daltrey of the Who played which Romantic-era composer? In which 1975 comedy does a villager claim "She turned me into a newt!" before admitting "I got better"? Which actor appeared in "The Devil's Rain" in 1975 and was cast that year as Vinnie Barbarino on "Welcome Back, Kotter"? Arrested in 1975 after taking part in a bank robbery, which kidnapped heiress raised the question "terrorist or victim?" Complete the title of the 1975 Burt Reynolds film: "W.W. and the ___". In which 1975 film does a French soldier shout "Your mother was a hamster and your father smelt of elderberries"? Which 1975 film contains the line "You're gonna need a bigger boat"? Which song, from the album "Sheer Heart Attack", was Queen's first U.S. Top 40 hit?