Wedding Bells Ring Twice For Penny And Leonard On The Big Bang Theory

Now that's one good-looking wedding portrait!

Now that's one good-looking wedding portrait!

In the Season 10 premiere of The Big Bang Theory, everyone deals with an awkward morning after Sheldon's mother (Laurie Metcalf) and Leonard's father (Judd Hirsch) share an evening together. Plus, Penny's family arrives for the wedding ceremony, including her anxiety-ridden mother, Susan (Katey Sagal), and her drug-dealing brother, Randall (Jack McBrayer).

Meanwhile, Colonel Williams (Dean Norris), an Air Force Representative from the Department of Materiel Command, takes an interest in Howard's quantum gyroscope.

Watch the Season 10 premiere of The Big Bang Theory on Monday, Sept. 19 at 8/7c on CBS and CBS All Access.
Penny stands aside while Leonard's mother, Beverly (Christine Baranski), enters the apartment.

Penny stands aside while Leonard's mother, Beverly (Christine Baranski), enters the apartment.

"The Conjugal Conjecture" (Episode 1, Season 10 of The Big Bang Theory)
Penny, Beverly, Leonard, and Sheldon experience an awkward family moment.

Penny, Beverly, Leonard, and Sheldon experience an awkward family moment.

"The Conjugal Conjecture" (Episode 1, Season 10 of The Big Bang Theory)
Raj freaks out when Howard picks up the phone.

Raj freaks out when Howard picks up the phone.

"The Conjugal Conjecture" (Episode 1, Season 10 of The Big Bang Theory)
Howard can't stop smiling while he fields an interesting call.

Howard can't stop smiling while he fields an interesting call.

"The Conjugal Conjecture" (Episode 1, Season 10 of The Big Bang Theory)
Colonel Williams (Dean Norris) stands pensively on Howard's porch.

Colonel Williams (Dean Norris) stands pensively on Howard's porch.

"The Conjugal Conjecture" (Episode 1, Season 10 of The Big Bang Theory)
Family ties unravel when Sheldon and Leonard's parents reunite after an eventful evening.

Family ties unravel when Sheldon and Leonard's parents reunite after an eventful evening.

"The Conjugal Conjecture" (Episode 1, Season 10 of The Big Bang Theory)
Leonard laughs with his father, Alfred (Judd Hirsch).

Leonard laughs with his father, Alfred (Judd Hirsch).

"The Conjugal Conjecture" (Episode 1, Season 10 of The Big Bang Theory)
Sheldon's mother, Mary (Laurie Metcalf), sits next to her son on the couch.

Sheldon's mother, Mary (Laurie Metcalf), sits next to her son on the couch.

"The Conjugal Conjecture" (Episode 1, Season 10 of The Big Bang Theory)
Penny's immediate family gathers together in her living room.

Penny's immediate family gathers together in her living room.

"The Conjugal Conjecture" (Episode 1, Season 10 of The Big Bang Theory)
Sheldon and Leonard sit intently while their parents have a conversation.

Sheldon and Leonard sit intently while their parents have a conversation.

"The Conjugal Conjecture" (Episode 1, Season 10 of The Big Bang Theory)
Amy arrives in a chipper mood before Leonard and Penny tie the knot... again.

Amy arrives in a chipper mood before Leonard and Penny tie the knot... again.

"The Conjugal Conjecture" (Episode 1, Season 10 of The Big Bang Theory)
Tensions rise among Penny's brother, mother, and father.

Tensions rise among Penny's brother, mother, and father.

"The Conjugal Conjecture" (Episode 1, Season 10 of The Big Bang Theory)
Penny and her father clink bottles in celebration.

Penny and her father clink bottles in celebration.

"The Conjugal Conjecture" (Episode 1, Season 10 of The Big Bang Theory)
Sheldon's mom, Mary, has something to say to Amy and Alfred, Leonard's dad.

Sheldon's mom, Mary, has something to say to Amy and Alfred, Leonard's dad.

"The Conjugal Conjecture" (Episode 1, Season 10 of The Big Bang Theory)
A smattering of family members chit chat around the couch in Penny's apartment.

A smattering of family members chit chat around the couch in Penny's apartment.

"The Conjugal Conjecture" (Episode 1, Season 10 of The Big Bang Theory)
Penny's father, Wyatt, walks her down the aisle.

Penny's father, Wyatt, walks her down the aisle.

"The Conjugal Conjecture" (Episode 1, Season 10 of The Big Bang Theory)
Leonard and Penny stand together in holy matrimony while Bernadette officiates.

Leonard and Penny stand together in holy matrimony while Bernadette officiates.

"The Conjugal Conjecture" (Episode 1, Season 10 of The Big Bang Theory)
Stuart sheds a tear while sitting in between Leonard's parents.

Stuart sheds a tear while sitting in between Leonard's parents.

"The Conjugal Conjecture" (Episode 1, Season 10 of The Big Bang Theory)
Penny and Leonard share a warm embrace as husband and wife.

Penny and Leonard share a warm embrace as husband and wife.

"The Conjugal Conjecture" (Episode 1, Season 10 of The Big Bang Theory)
The bride and groom's families gather for the official wedding ceremony.

The bride and groom's families gather for the official wedding ceremony.

"The Conjugal Conjecture" (Episode 1, Season 10 of The Big Bang Theory)
The happy couple joins Penny's colorful family for a prime photo opp.

The happy couple joins Penny's colorful family for a prime photo opp.

"The Conjugal Conjecture" (Episode 1, Season 10 of The Big Bang Theory)
Penny and Leonard pose for a proper wedding portrait.

Penny and Leonard pose for a proper wedding portrait.

"The Conjugal Conjecture" (Episode 1, Season 10 of The Big Bang Theory)

Watch the Season 10 premiere of The Big Bang Theory on Monday, Sept. 19 at 8/7c on CBS and CBS All Access.