I Love Lucy S03E26 - The Black Wig

After Ricky forbids Lucy to cut her hair short in an Italian style haircut, Lucy dons a black wig at the beauty salon to try out the look. She then decides test Ricky's marital fidelity by pretending to be another woman and flirts with him. However, Ricky, having been tipped-off of Lucy's plan by the salon owner, pretends not to recognize her and flirts back.