The Maternal Congruence

"The Maternal Congruence" is the second Christmas episode of the CBS sitcom The Big Bang Theory, originally aired as the eleventh episode of the show's third season (though it is the season's twelfth one in production order).

Synopsis

A visit from Leonard's mother, Dr. Beverly Hofstadter (Christine Baranski), delights Sheldon and horrifies Leonard. Penny is upset because Leonard didn't mention his mother's visit to her, but that is nothing compared to when Leonard learns that Sheldon knows more about his own mother than Leonard does.

Availability

The episode was featured on The Big Bang Theory: The Complete Third Season DVD and Blu-ray sets, released on September 14, 2010. The episode was also included, along with "The Bath Item Gift Hypothesis" and "The Santa Simulation", on The Big Bang Theory Holiday Episodes DVD, released exclusively ay f.y.e. in 2013.

External links

The Big Bang Theory Wiki: The Maternal Congruence

This page about a Christmas special or an episode from a television series with a Christmas theme is a stub. Please help the Christmas Special Wiki by expanding this article.

Warner Bros.

Movies
Warner Bros. Pictures	Christmas in Connecticut • Gremlins • Lethal Weapon • National Lampoon's Christmas Vacation • Batman Returns • Jack Frost • National Lampoon's Christmas Vacation 2: Cousin Eddie's Island Adventure • The Polar Express • Kiss Kiss Bang Bang • The Year Without a Santa Claus • Fred Claus
New Line Cinema	Elf • The Nativity Story • Four Christmases • A Very Harold & Kumar 3D Christmas • The Conjuring 2 • Shazam! • 8-Bit Christmas
Blue Ribbon Content	A Christmas Story 2 • A Cinderella Story: Christmas Wish

Live-action television episodes
**Friends and Joey**	"The One With the Monkey" • "The One With Phoebe's Dad" • "The One Where Rachel Quits" • "The One With the Girl from Poughkeepsie" • "The One With the Inappropriate Sister" • "The One With the Routine" • "The One With All the Candy" • "The One With the Holiday Armadillo" • "The One With Monica's Boots" • "The One With the Creepy Holiday Card" • "The One With Christmas in Tulsa" • "Joey and the Plot Twist" • "Joey and the Christmas Party"
DC Comics	"Season's Greedings" • "Home is Where the Hurt Is" • "Twas the Night Before Mxymas" • "Lexmas" • "Gemini" • "Year's End" • "Three Ghosts"
Other shows	"A Semi-Merry Christmas" • "Mel, the Magi" • "Mel's Christmas Carol" • "'Tis the Season to Be Jealous" • "A Christmas Story" (Growing Pains) • "The Kid" • "It's Not Easy Being Green" • "A Christmas Story" (Just the Ten of Us) • "Santa Goes Downtown" • "Let It Snow" • "The Night Court Before Christmas" • "Santa on the Lam" • "Have Yourself a Merry Winslow Christmas" • "It's Beginning to Look a Lot Like Urkel" • "Christmas is Where the Heart is" • "Miracle on Elm Street" • "Fa La La La Laagghh!" • "It Came Upon a Midnight Clear" • "Deck the Malls" • "The Christmas Show" • "The Man Who Canceled Christmas" • "Christmas Day-Ja Vu" • "A Country Christmas" • "The Gift" • "A Miracle Happens Here" • "Homeless for the Holidays" • "Do You See What I See" • "The Miracle Worker" • "How the Finch Stole Christmas" • "The Greatest of Gifts" • "I'll Be Home For Christmas" • "Hindsight" • "Twas the Night" • "All About Christmas Eve" • "City of Mercy" • "Meet the Cuban Parents" • "Christmas Punch" • "A Clear and Presentless Danger" • "George is Being Elfish and Christ-Misses His Family" • "Santa's Secret Stuff" • "A Very Supernatural Christmas" • "The Bath Item Gift Hypothesis" • "The Maternal Congruence" • "The Santa Simulation" • "The Cooper Extraction" • "The Clean Room Infiltration" • "Christmas" (The Middle) • "A Simple Christmas" • "A Christmas Gift" • "Christmas Help" • "The Christmas Tree" • "The Christmas Wall" • "Not So Silent Night" • "A Very Marry Christmas" • "The Christmas Miracle" • "It's Beginning to Stink a Lot Like Christmas" • "Jolly Red Elf" • "The World Ain't Over 'Till It's Over" • "Santa's Village of the Damned" • "Walnuts and Demerol" • "Warning, It's Dirty" • "One False Move, Zimbabwe!" • "Give Santa a Tail-Hole" • "On Vodka, On Soda, On Blender, On Mixer" • "Family, Bublé, Deep-Fried Turkey" • "Home for Christmas" • "Jingle Bell Glock" • "The Walk-Out" • "Yule Never Know" • "Merry Ex-Mas" • "A Very Carrie Christmas" • "Veronica's Christmas Song" • "Veronica's Secret Santa" • "An Echolls Family Christmas" • "One Angry Veronica"

Animated productions
Looney Tunes and related shows	The Shanty Where Santy Claus Lives • Bedtime for Sniffles • Gift Wrapped • Bugs Bunny's Looney Christmas Tales • "It's a Wonderful Tiny Toons Christmas Special" • "'Twas the Day Before Christmas" • "Jingle Boo" • "The Great Wakkorotti: The Holiday Concert" • "A Christmas Plotz" • "Little Drummer Warners" • "No Time for Christmas" • "A Pinky and the Brain Christmas" • "It Happened One Night Before Christmas" • "In Arms Way" • "The Twelve Days of Christmas" • Christmas Eve with Yakko, Wakko & Dot • "Noel" • "The Christmas Tree" • "The Banks of the Delaware River" • "Feather Christmas" • "Yule Be Sorry" • "Christmas in July" • Bah, Humduck! A Looney Tunes Christmas • "A Christmas Carol" • "Tis the Seasoning" • "Winter Blunderland" • "The Legend of Burrito Monday" • Bugs Bunny's 24-Carrot Holiday Special
DC Comics	"Christmas With the Joker" • "Holiday Knights" • "Frozen Out" • "Comfort and Joy" • "Storybook Holiday" • "Invasion of the Secret Santas!" • "Second Christmas" • "The True Meaning of Christmas" • "Halloween v Christmas" • "Teen Titans Save Christmas" • "Beast Boy on a Shelf" • "Christmas Crusaders" • Beebo Saves Christmas • A Holiday Story • Merry Little Batman
Hanna-Barbera co-productions	"A Dickens of a Christmas" • A Scooby-Doo! Christmas • "Ho Ho Horrors" • Tom and Jerry: A Nutcracker Tale • Scooby-Doo! Haunted Holidays • Tom and Jerry: Santa's Little Helpers • "The Plight Before Christmas" • "Scary Christmas" • "Scroogey Doo" • "It's a Wacky Life" • "Dashing Thru the Snow" • "Signed, Sealed and Wacky" • "The Spirit of Frostnos"
Other cartoons	"Yuletide and Redtide" • A Cool Like That Christmas • "Santa Mask" • The Polar Express • "The Match Before Xmas" • A Miser Brothers' Christmas • "Da Grinchy Code / Duck" • "FROST / Undercover Claus" • "Fantastic Four Christmases / Red and White Collar" • Elf: Buddy's Musical Christmas • "Christmas in Oz" • "Top of the Naughty List" • "Mandora Saves Christmas" • Did I Do That to the Holidays? A Steve Urkel Story

Albums
Have Yourself a Looney Tunes Christmas • A Hip-Hopera Christmas • Merry Christmas: Animaniacs & Looney Tunes • The Looney Tunes Kwazy Christmas • A Looney Tunes Sing-A-Long Christmas

The Maternal Congruence

Contents

Synopsis

Availability

See also

External links

Fan Feed