Series 10 Episode 20
Sheldon pushes himself to the limit when he collaborates on two projects - one with Leonard and Howard, plus another with Amy - on the same day. Bernadette nears the end of her maternity leave.
Series 10 Episode 1
The Conjugal Conjecture: The gang face an awkward morning after Sheldon's mum and Leonard's dad spend time together
Series 10 Episode 1
Series 10 Episode 2
The Military Miniaturization: Howard has a meeting with an Air Force representative about the gyroscope he invented
Series 10 Episode 2
Series 10 Episode 3
The Dependence Transcendence: Sheldon fights to stay awake as the guys work around the clock on the Air Force project
Series 10 Episode 3
Series 10 Episode 4
The Cohabitation Experimentation: When Amy's apartment is flooded, she proposes a 'cohabitation experiment' with Sheldon
Series 10 Episode 4
Series 10 Episode 5
The Hot Tub Contamination: Leonard and Penny intervene when Sheldon and Amy argue about their 'bathroom schedule'
Series 10 Episode 5
Series 10 Episode 6
The Fetal Kick Catalyst: Sheldon and Amy host a brunch at Penny's flat, while Howard makes an impulsive purchase
Series 10 Episode 6
Series 10 Episode 7
The Veracity Elasticity: Amy lies to Sheldon about the repair work on her flat
Series 10 Episode 7
Series 10 Episode 8
The Brain Bowl Incubation: Sheldon goes to great lengths to convince Amy that they should have a baby together
Series 10 Episode 8
Series 10 Episode 9
The Geology Elevation: Sheldon is jealous when he hears that his colleague has won a prestigious fellowship
Series 10 Episode 9
Series 10 Episode 10
The Property Division Collision: Sheldon, Amy, Leonard and Penny divide their possessions into two separate households
Series 10 Episode 10
Series 10 Episode 11
The Birthday Synchronicity: Sheldon and Amy attempt to celebrate her birthday with an intimate night at home
Series 10 Episode 11
Series 10 Episode 12
The Holiday Summation: The gang hear all about Sheldon and Amy's terrible Christmas holiday trip to Texas
Series 10 Episode 12
Series 10 Episode 13
The Romance Recalibration: Penny thinks Leonard is taking her for granted so she goes away for a spa weekend with Amy
Series 10 Episode 13
Series 10 Episode 14
The Emotion Detection Automation: Sheldon tests a newly invented device to see if it can help him read people's emotions
Series 10 Episode 14
Series 10 Episode 15
The Locomotion Reverberation: When Sheldon delays their work, Leonard and Howard pack him off on a historic railway trip
Series 10 Episode 15
Series 10 Episode 16
The Allowance Evaporation: Amy is furious when she learns Sheldon has shared intimate details of their relationship
Series 10 Episode 16
Series 10 Episode 17
The Comic-Con Conundrum: Raj appoints Sheldon to organise his finances. Penny considers going along to Comic-Con.
Series 10 Episode 17
Series 10 Episode 18
The Escape Hatch Identification: Leonard and Penny offer Sheldon's old room to Raj when he's forced to move out of his flat
Series 10 Episode 18
Series 10 Episode 19
The Collaboration Fluctuation: Raj settles in with Leonard and Penny. Sheldon and Amy cooperate on a scientific project.
Series 10 Episode 19
Series 10 Episode 20
The Recollection Dissipation: Sheldon pushes himself to the limit when he collaborates on two projects on the same day
Series 10 Episode 20