S03E12: Ricky's Old Girlfriend
Ricky is jealous when Lucy comes up with a long list of ex-boyfriends, so he invents an old flame-who just happens to be in town. Her name? Carlotta Romero, with whom Ricky DID perform years before.
Previous Episode 
Season 1
The Girls Want to Go to a Nightclub
S1E1 / 15 Oct 1951
Be a Pal
S1E2 / 22 Oct 1951
The Diet
S1E3 / 29 Oct 1951
Lucy Thinks Ricky Is Trying to Murder Her
S1E4 / 05 Nov 1951
The Quiz Show
S1E5 / 12 Nov 1951
The Audition
S1E6 / 19 Nov 1951
The Séance
S1E7 / 26 Nov 1951
Men Are Messy
S1E8 / 03 Dec 1951
The Fur Coat
S1E9 / 10 Dec 1951
Lucy Is Jealous of Girl Singer
S1E10 / 17 Dec 1951
Drafted
S1E11 / 24 Dec 1951
The Adagio
S1E12 / 31 Dec 1951
The Benefit
S1E13 / 07 Jan 1952
The Amateur Hour
S1E14 / 14 Jan 1952
Lucy Plays Cupid
S1E15 / 21 Jan 1952
Lucy Fakes Illness
S1E16 / 28 Jan 1952
Lucy Writes a Play
S1E17 / 04 Feb 1952
Breaking the Lease
S1E18 / 11 Feb 1952
The Ballet
S1E19 / 18 Feb 1952
The Young Fans
S1E20 / 25 Feb 1952
New Neighbors
S1E21 / 03 Mar 1952
Fred and Ethel Fight
S1E22 / 10 Mar 1952
The Moustache
S1E23 / 17 Mar 1952
The Gossip
S1E24 / 24 Mar 1952
Pioneer Women
S1E25 / 31 Mar 1952
The Marriage License
S1E26 / 07 Apr 1952
The Kleptomaniac
S1E27 / 14 Apr 1952
Cuban Pals
S1E28 / 21 Apr 1952
The Freezer
S1E29 / 28 Apr 1952
Lucy Does a TV Commercial
S1E30 / 05 May 1952
The Publicity Agent
S1E31 / 12 May 1952
Lucy Gets Ricky on the Radio
S1E32 / 19 May 1952
Lucy's Schedule
S1E33 / 26 May 1952
Ricky Thinks He Is Getting Bald
S1E34 / 02 Jun 1952
Ricky Asks for a Raise
S1E35 / 09 Jun 1952
Season 2
Job Switching
S2E1 / 15 Sep 1952
The Saxophone
S2E2 / 22 Sep 1952
The Anniversary Present
S2E3 / 29 Sep 1952
The Handcuffs
S2E4 / 06 Oct 1952
The Operetta
S2E5 / 13 Oct 1952
Vacation from Marriage
S2E6 / 27 Oct 1952
The Courtroom
S2E7 / 10 Nov 1952
Redecorating
S2E8 / 24 Nov 1952
Ricky Loses His Voice
S2E9 / 01 Dec 1952
Lucy Is Enceinte
S2E10 / 08 Dec 1952
Pregnant Women are Unpredictable
S2E11 / 15 Dec 1952
Lucy's Showbiz Swan Song
S2E12 / 22 Dec 1952
Lucy Hires an English Tutor
S2E13 / 29 Dec 1952
Ricky Has Labor Pains
S2E14 / 05 Jan 1953
Lucy Becomes a Sculptress
S2E15 / 12 Jan 1953
Lucy Goes to the Hospital
S2E16 / 19 Jan 1953
Sales Resistance
S2E17 / 26 Jan 1953
The Inferiority Complex
S2E18 / 02 Feb 1953
The Club Election
S2E19 / 16 Feb 1953
The Black Eye
S2E20 / 09 Mar 1953
Lucy Changes Her Mind
S2E21 / 30 Mar 1953
No Children Allowed
S2E22 / 20 Apr 1953
Lucy Hires a Maid
S2E23 / 27 Apr 1953
The Indian Show
S2E24 / 04 May 1953
Lucy's Last Birthday
S2E25 / 11 May 1953
The Ricardos Change Apartments
S2E26 / 18 May 1953
Lucy Is Matchmaker
S2E27 / 25 May 1953
Lucy Wants New Furniture
S2E28 / 01 Jun 1953
The Camping Trip
S2E29 / 08 Jun 1953
Ricky and Fred are TV Fans
S2E30 / 22 Jun 1953
Never Do Business With Friends
S2E31 / 29 Jun 1953
Season 3
Ricky's 'Life' Story
S3E1 / 05 Oct 1953
The Girls Go Into Business
S3E2 / 12 Oct 1953
Lucy and Ethel Buy the Same Dress
S3E3 / 19 Oct 1953
Equal Rights
S3E4 / 26 Oct 1953
Baby Pictures
S3E5 / 02 Nov 1953
Lucy Tells the Truth
S3E6 / 09 Nov 1953
The French Revue
S3E7 / 16 Nov 1953
Redecorating the Mertzes' Apartment
S3E8 / 23 Nov 1953
Too Many Crooks
S3E9 / 30 Nov 1953
Changing the Boys' Wardrobe
S3E10 / 07 Dec 1953
Lucy Has Her Eyes Examined
S3E11 / 14 Dec 1953
Ricky's Old Girlfriend
S3E12 / 21 Dec 1953
The Million Dollar Idea
S3E13 / 11 Jan 1954
Ricky Minds the Baby
S3E14 / 18 Jan 1954
The Charm School
S3E15 / 25 Jan 1954
Sentimental Anniversary
S3E16 / 01 Feb 1954
Fan Magazine Interview
S3E17 / 08 Feb 1954
Oil Wells
S3E18 / 15 Feb 1954
Ricky Loses His Temper
S3E19 / 22 Feb 1954
Home Movies
S3E20 / 01 Mar 1954
Bonus Bucks
S3E21 / 08 Mar 1954
Ricky's Hawaiian Vacation
S3E22 / 22 Mar 1954
Lucy Is Envious
S3E23 / 29 Mar 1954
Lucy Writes a Novel
S3E24 / 05 Apr 1954
Lucy's Club Dance
S3E25 / 12 Apr 1954
The Black Wig
S3E26 / 19 Apr 1954
The Diner
S3E27 / 26 Apr 1954
Tennessee Ernie Visits
S3E28 / 03 May 1954
Tennessee Ernie Hangs On
S3E29 / 10 May 1954
The Golf Game
S3E30 / 17 May 1954
The Sublease
S3E31 / 24 May 1954
Season 4
The Business Manager
S4E1 / 04 Oct 1954
Mertz and Kurtz
S4E2 / 11 Oct 1954
Lucy Cries Wolf
S4E3 / 18 Oct 1954
The Matchmaker
S4E4 / 25 Oct 1954
Ricky's Movie Offer
S4E5 / 08 Nov 1954
Ricky's Screen Test
S4E6 / 15 Nov 1954
Lucy's Mother-in-Law
S4E7 / 22 Nov 1954
Ethel's Birthday
S4E8 / 29 Nov 1954
Ricky's Contract
S4E9 / 06 Dec 1954
Getting Ready
S4E10 / 13 Dec 1954
Lucy Learns to Drive
S4E11 / 03 Jan 1955
California, Here We Come!
S4E12 / 10 Jan 1955
First Stop
S4E13 / 17 Jan 1955
Tennessee Bound
S4E14 / 24 Jan 1955
Ethel's Home Town
S4E15 / 31 Jan 1955
L.A. at Last
S4E16 / 07 Feb 1955
Don Juan and the Starlets
S4E17 / 14 Feb 1955
Lucy Gets in Pictures
S4E18 / 21 Feb 1955
The Fashion Show
S4E19 / 28 Feb 1955
The Hedda Hopper Story
S4E20 / 14 Mar 1955
Don Juan is Shelved
S4E21 / 21 Mar 1955
Bull Fight Dance
S4E22 / 28 Mar 1955
Hollywood Anniversary
S4E23 / 04 Apr 1955
Mr. and Mrs. TV Show
S4E24 / 11 Apr 1955
The Star Upstairs
S4E25 / 18 Apr 1955
In Palm Springs
S4E26 / 25 Apr 1955
The Dancing Star
S4E27 / 02 May 1955
Harpo Marx
S4E28 / 09 May 1955
Ricky Needs an Agent
S4E29 / 16 May 1955
The Tour
S4E30 / 30 May 1955
Season 5
Lucy Visits Grauman's
S5E1 / 03 Oct 1955
Lucy and John Wayne
S5E2 / 10 Oct 1955
Lucy and the Dummy
S5E3 / 17 Oct 1955
Ricky Sells the Car
S5E4 / 24 Oct 1955
The Great Train Robbery
S5E5 / 31 Oct 1955
Homecoming
S5E6 / 07 Nov 1955
Face to Face
S5E7 / 14 Nov 1955
Lucy Goes to a Rodeo
S5E8 / 28 Nov 1955
Nursery School
S5E9 / 05 Dec 1955
Ricky's European Booking
S5E10 / 12 Dec 1955
The Passports
S5E11 / 19 Dec 1955
Staten Island Ferry
S5E12 / 02 Jan 1956
Bon Voyage
S5E13 / 16 Jan 1956
Second Honeymoon
S5E14 / 23 Jan 1956
Lucy Meets the Queen
S5E15 / 30 Jan 1956
The Fox Hunt
S5E16 / 06 Feb 1956
Lucy Goes to Scotland
S5E17 / 20 Feb 1956
Paris at Last
S5E18 / 27 Feb 1956
Lucy Meets Charles Boyer
S5E19 / 05 Mar 1956
Lucy Gets a Paris Gown
S5E20 / 19 Mar 1956
Lucy in the Swiss Alps
S5E21 / 26 Mar 1956
Lucy Gets Homesick in Italy
S5E22 / 09 Apr 1956
Lucy's Italian Movie
S5E23 / 16 Apr 1956
Lucy's Bicycle Trip
S5E24 / 23 Apr 1956
Lucy Goes to Monte Carlo
S5E25 / 07 May 1956
Return Home from Europe
S5E26 / 14 May 1956
Season 6
Lucy and Bob Hope
S6E1 / 01 Oct 1956
Little Ricky Learns to Play the Drums
S6E2 / 08 Oct 1956
Lucy Meets Orson Welles
S6E3 / 15 Oct 1956
Little Ricky Gets Stage Fright
S6E4 / 22 Oct 1956
Visitor from Italy
S6E5 / 29 Oct 1956
Off to Florida
S6E6 / 12 Nov 1956
Deep Sea Fishing
S6E7 / 19 Nov 1956
Desert Island
S6E8 / 26 Nov 1956
The Ricardos Visit Cuba
S6E9 / 03 Dec 1956
Little Ricky's School Pageant
S6E10 / 17 Dec 1956
Christmas Show
S6E11 / 24 Dec 1956
Lucy and the Loving Cup
S6E12 / 07 Jan 1957
Lucy and Superman
S6E13 / 14 Jan 1957
Little Ricky Gets a Dog
S6E14 / 21 Jan 1957
Lucy Wants to Move to the Country
S6E15 / 28 Jan 1957
Lucy Hates to Leave
S6E16 / 04 Feb 1957
Lucy Misses the Mertzes
S6E17 / 11 Feb 1957
Lucy Gets Chummy With the Neighbors
S6E18 / 18 Feb 1957
Lucy Raises Chickens
S6E19 / 04 Mar 1957
Lucy Does the Tango
S6E20 / 11 Mar 1957
Ragtime Band
S6E21 / 18 Mar 1957
Lucy's Night in Town
S6E22 / 25 Mar 1957
Housewarming
S6E23 / 01 Apr 1957
Building a B.B.Q.
S6E24 / 08 Apr 1957
Country Club Dance
S6E25 / 22 Apr 1957
Lucy Raises Tulips
S6E26 / 29 Apr 1957
The Ricardos Dedicate a Statue
S6E27 / 06 May 1957
Lucille Ball
Lucy Ricardo
Desi Arnaz
Ricky Ricardo
Vivian Vance
Ethel Mertz
