Big Bang Theory 2025 Calendar. Each month features imagery of your favourite characters from the big bang theory tv series such as leonard, sheldon and penny to name. A year of scientific laughter dive into the quirky world of the big bang theory with the 2024 square calendar.

Each month features imagery of your favourite characters from the big bang theory tv series such as leonard, sheldon and penny to name a few. 2025 the big bang theory square calendar.