In 1993 Radiohead put out Pablo Honey. On the strength of the hit song Creep they went on to release some of the best albums of the era. Critics compare them often to the Beatles with regards to their popularity, innovations and influence. The following is my ranking of their albums that followed Pablo Honey.
5. The Bends (1995)
4. Kid A (2000) & Amnesiac (2001) tie
3. In Rainbows (2007)
2. OK Computer (1997)
1. Hail to the Thief (2003)
For a similar list consult this Jen-sized ranking of Radiohead.