The Cooper-Nowitzki Theorem

Summary
A grad student, Ramona Nowitzki, begins pushing Sheldon to concentrate all his spare time on his scientific endeavours. The loss of his freedom and leisure time upsets Sheldon but he can’t stop her. Finally he gets rid of her once he has made his breakthrough and she asks if she could share credit on the paper.

Critics
"Another well written and focussed episode. It’s not particularly funny and I fear it is a worrying sign of certain things to come. But for now I give all concerned credit for creating something genuinely different to most other contemporary comedies." - The TV Critic's Review