The Highest Grossng Film Per Decade Since 1950 By midkiffe Jun 22, 1955 Lady and The Tramp 1 in 1950s. Jan 1, 1965 The Sound of Music 1 in 1960s. Jan 1, 1977 Star Wars 1 in 1970s. Jan 1, 1982 E.T.: The Extra-Terrestrial 1 in 1980s. Jan 1, 1997 Titanic 1 in 1990s. Jan 1, 2009 Avatar 1 in 200s. Jan 1, 2012 Marvel's The Avengers 1 in 2010s (so far).