: The season is available in various formats including Blu-ray, Widescreen, and Dolby Digital 5.1 for both English and French languages. Major Plot Points

This season focuses heavily on the evolution of relationships within the group: The Big Bang Theory - Episode list - IMDb

: Jim Parsons (Sheldon), Johnny Galecki (Leonard), Kaley Cuoco (Penny), Simon Helberg (Howard), Kunal Nayyar (Raj), Mayim Bialik (Amy), and Melissa Rauch (Bernadette).