I Love Lucy: Season 6, Episode 11

6 - 11: Christmas Show

Lucy, Ricky, Fred and Ethel reminisce (via flashbacks of previous episodes) as they trim the tree on Christmas Eve. The flashbacks were all from season 2, include Lucy telling Ricky about her pregnancy in Lucy Is Enceinte, Lucy, Ricky, Fred and Ethel singing in a barbershop quartet in Lucy's Showbiz Swan Song, and Ricky, Fred and Ethel franctically preparing for Lucy's impending labor in Lucy Goes to the Hospital.