In “Lucy’s Italian Movie,” the color film Lucy is offered a role in is called Bitter Grapes.
The episode is the twenty-third installment of I Love Lucy’s fifth season, which follows the Ricardos and Mertzes during their trip through Europe. While the group is traveling toward Rome, an Italian film producer notices Lucy and offers her an opportunity connected with his new movie. Lucy interprets the title literally and assumes that the production will involve vineyards and grape harvesting.
That misunderstanding drives the famous comedy sequence. Hoping to prepare for her supposed film role, Lucy takes a job at an Italian vineyard. She struggles with the work and becomes involved in a chaotic grape-stomping contest with a local woman, producing one of the best-known scenes in I Love Lucy history.
The title is symbolic rather than a description of a grape-industry story. Lucy eventually learns that the role is not the major starring opportunity she imagined; Ethel receives the film appearance instead. The episode itself was originally filmed in black and white, although it was later colorized for television presentations, which can make the wording of the question especially easy to misread.