The 2003 Approximation: Concluding the episodes celebrating the boys' best bromances. Howard and Raj form a band to play at the comic book shop but fall out while writing songs. (S9 Ep4/24) [AD,S]
The Bachelor Party Corrosion: The guys' science skills are put to the test when the car gets a flat tyre on the way to Leonard's surprise bachelor party weekend in Mexico. (S9 Ep3/24) [AD,S]
The Friendship Turbulence: In an attempt to improve their strained friendship, Howard invites Sheldon to fly to Houston with him on a visit to Nasa. Penny's car breaks down. (S7 Ep17/24) [AD,S]
The Itchy Brain Simulation: Sheldon is strangely calm when Leonard confesses that he failed to return a DVD to the rental shop seven years earlier but will he punish his friend? (S7 Ep8/24) [AD,S]
The Spoiler Alert Segmentation: Continuing the episodes celebrating the boys' best bromances. Sheldon gives away the ending of the Harry Potter book that Leonard is reading. (S6 Ep15/24) [AD,S]
The Cooper/Kripke Inversion: The first in a stack of episodes celebrating the boys' best bromances. Howard and Raj buy personalised action figures designed to look like them. (S6 Ep14/24) [AD,S]