Sheldon stares intensely at Leonard and makes a humming sound, claiming his head-blowing attempt was working.
For more details, you can find the full script on the Big Bang Theory Transcripts site or check reviews on IMDb . The Cooper-Hofstadter Polarization - IMDb [S1E9] The Cooper-Hofstadter Polarization
Sheldon refuses to attend the conference, dismissively viewing the audience as "lesser minds." He forbids Leonard from presenting their work alone, leading to a rift between the two. Sheldon stares intensely at Leonard and makes a
Leonard decides to present without Sheldon. During the lecture, Sheldon appears in the audience and heckles him, eventually trying (and failing) to "explode" Leonard's brain with his mind. The confrontation turns into a physical, slapstick fight in front of their peers. Leonard decides to present without Sheldon
Penny tries to mediate the situation, even helping Leonard pick out a suit for the presentation, but her involvement only worsens the tension between the friends.