The Big Bang Theory - Sheldon tries some positive reinforcement on Penny BADNEW 1:49 1 year ago 75 Скачать Далее
Positive Reinforcement - The Big Bang Theory Trample Athletic Club 4:54 14 years ago 3 479 606 Скачать Далее
Sheldon and Penny jog together - The Big Bang Theory Shelly&Penny 2:42 13 years ago 3 943 639 Скачать Далее
Operant Conditioning - Negative Reinforcement vs Positive Punishment Megan Deering 2:31 9 years ago 1 813 161 Скачать Далее
Sheldon TRAINS Penny with Chocolate | The Big Bang Theory TBBT Bazinga Punk 5:21 2 years ago 2 044 009 Скачать Далее
Positive Reinforcement - The Big Bang Theory - YouTube(1).mp4 Atalia M 1:03 12 years ago 8 611 Скачать Далее
Sheldon Talks Science with Penny | The Big Bang Theory Big Bang Theory 1:22 8 months ago 123 758 Скачать Далее
Someone Tries to Poach Penny | The Big Bang Theory Big Bang Theory 1:37 3 months ago 130 485 Скачать Далее
Sheldon finds his seat at Penny's apartment - The Big Bang Theory Shelly&Penny 4:12 6 years ago 5 010 008 Скачать Далее
Sheldon Teaches Penny Physics | The Big Bang Theory Big Bang Theory 2:13 10 months ago 36 470 Скачать Далее
Sheldon - the president of the tenants' association - The Big Bang Theory Shelly&Penny 3:49 6 years ago 2 379 660 Скачать Далее
The Big Bang Theory - Sheldon teaches Penny Physics SuperTbbt 6:58 14 years ago 2 533 945 Скачать Далее