Did you know that October 15 is I Love Lucy Day? It marks the date that show premiered in 1951. We will celebrate with laughter, of course, while enjoying the three most famous episodes of the iconic television series:

• Switching Jobs (24 minutes) — S2 E1: After Ricky and Fred get upset about the girls’ spending, Lucy and Ethel go to work in a candy factory while the boys do the housework. Originally aired September 15, 1952.

• Lucy’s Italian Movie (25 minutes) — S5 E23: Lucy soaks up plenty of local color when she tramples grapes to get into the mood for a role in an Italian movie. Originally aired April 16, 1956.

• Lucy Does a TV Commercial (24 minutes) — S1 E30: Lucy angles her way onto Ricky’s special as the show’s pitch girl. She advertises a medicine called “Vitameatavegamin.” Originally aired May 12, 1952.

The fun begins at 2 p.m. in the Marian Hall 3rd-Floor Lounge. Bring your funny bone.