Ringo Starr appears in the episode "Brush With Greatness," which first aired on April 11th, 1991.
Restart Rock on the Simpsons
The Rise and Fall of ‘Honey Boo Boo’
Hobbit-Filled Air Safety Video
Honey Boo Boo Mom Denies Sex-Offender BF
Aaron Paul Rips Toys ‘R’ Us
On J. Law and Life After ‘Winter’s Bone’