E.T. The Extra-Terrestrial
June 11, 1982
In the Halloween scene a kid in a Yoda costumes passes by with E.T. saying "Home,Home" to the kid while a bit of Yoda's Theme plays in the background.
Star Wars Episode 1: The Phantom Menace
May 19, 1999
The Grebleips Species or The E.T. Species is an easter egg cameo in The Phantom Menace.
These creatures were inserted in the movie to make good on a promise—after Steven Spielberg included a Yoda cameo and Star Wars toys in E.T., George Lucas promised to include an E.T. cameo in the next Star Wars film he made—The Phantom Menace.