The Big Bang Theory: Season 10

The Conjugal Conjecture

21min - It's an uncomfortable wedding day for Penny and Leonard when it appears that his dad and Sheldon's mom may have hooked up and Penny's family arrives.

The Conjugal Conjecture

The Military Miniaturization

18min - Air Force Col. Williams comes to see Howard about the quantum gyroscope. Bernadette is furious that someone at work has blabbed about her condition.

The Dependence Transcendence

20min - Bernadette confides in Raj she's not sure about being a mom. When Penny goes with Amy to Bert's party she's shocked to hear about Amy's reputation.

The Cohabitation Experimentation

20min - When Amy must leave her flooded apartment for weeks the logical thing to do is move in with Sheldon. Only Raj knows the sex of the Wolowitz baby.

The Hot Tub Contamination

19min - Penny and Sheldon bond to complain about Amy and Leonard. While Howard and Bernadette plan a babymoon, Raj and Stuart take over their hot tub.

The Fetal Kick Catalyst

18min - Penny is asked to sign autographs at a local fan convention, but it's Leonard who's the big hit. Sheldon and Amy host their first party together.

The Veracity Elasticity

20min - Sheldon and Amy return in "Fun with Flags." Amy's been lying to Sheldon about her apartment, and when he finds out, he has a big decision to make.

The Brain Bowl Incubation

18min - While working on a bioengineering project with Amy, Sheldon decides he wants them to have a baby. Raj is attracted to the office cleaning lady.

The Geology Elevation

19min - Sheldon has a hard time getting past his jealousy when Bert wins a huge grant. Howard's remote control Stephen Hawking raises questions, and eyebrows.

The Property Division Collision

19min - Leonard and Sheldon go to war over dividing up their stuff. Raj and Stuart are in a frenzy trying to be the most helpful to Howard and Bernadette.

The Birthday Synchronicity

20min - Amy's annual birthday ritual is interrupted when Bernadette goes into labor. The gang reflects on how much their lives have changed -- except for Raj.

The Holiday Summation

20min - After the holidays Sheldon and Amy recall their trip to Texas to see his mother, and Leonard and Penny relive their argument over a Christmas tree.

The Romance Recalibration

18min - Leonard and Penny turn to Sheldon and Amy for relationship advice. Raj and Howard need math and science to fix a squeaky floor in the baby's room.

The Emotion Detection Automation

19min - Sheldon attempts to gain empathy and insight from an emotions reader. Raj gathers all his old girlfriends for a focus group to see what went wrong.

The Locomotion Reverberation

20min - Leonard gives Sheldon a train experience holiday to get him out of the way so he and Howard can finish the project, then discover they need him back.

The Allowance Evaporation

17min - Amy feels Sheldon doesn't understand relationships when he blabs intimate information. The gang thinks Raj is too financially dependent on his father.

The Comic-Con Conundrum

19min - Raj's financial problems have him scrambling for money to go to Comic-Con, while Leonard and Penny outdo each other dreaming up couple’s costumes.

The Escape Hatch Identification

19min - When Raj needs to move into a cheaper place, the gang offers help, then Beverly puts her own analytical spin on everyone's relationship issues.

The Collaboration Fluctuation

18min - Penny and Raj get along great when he moves in, leaving Leonard feeling like a third wheel. Sheldon and Amy's professional and personal lives collide.

The Recollection Dissipation

19min - After working on two projects at once, Sheldon finally crashes and can't remember the night before. Bernadette gets emotional about returning to work.

The Separation Agitation

19min - Bert has a hot new girlfriend. Could it have anything to do with his windfall? Howard, Bernadette and Stuart are anxious when Halley goes to daycare.

The Cognition Regeneration

20min - Leonard's nervous when Penny gets a good job offer from her old boyfriend Zack. Sheldon pouts that he hasn't reached his full potential soon enough.

The Gyroscopic Collapse

19min - The guys are restless after Col. Williams takes over their project. Amy gets a research opportunity requiring her to stay at Princeton for months.

The Long Distance Dissonance

19min - Ramona Nowitzki returns and resumes her obsessive interest in Sheldon while Amy is away. He's the only one who doesn't see it, until he finally does.