The Big Bang Theory - Series 1: Episode 1

The Big Bang Theory recap: Season 10, Episode 15

Watch The Big Bang Theory - Season 1

The Big Bang Theory: Season 1, Episode 16

The Big Bang Theory - Series 1: Episode 17

The Big Bang Theory: Season 1 DVD Review

Watch The Big Bang Theory · Season 1 Full Episodes Online - Plex

Fun fact in episode 1 of the Big Bang Theory Sheldon wears a flash shirt and in the first episode of The Flash Cisco wears a a big bang Theory shirt : r/FlashTV

Big Bang Theory' Recap: Season 12 Premiere -- Sheldon and Amy Honeymoon

Big Bang Theory: Pilot, TV Database Wiki