The Big Bang Theory (season 8) - Wikipedia

The Big Bang Theory (TV Series 2007–2019) - Episode list - IMDb

History of the Big Bang theory - Wikipedia

Howard Wolowitz - Wikipedia

BigBang (South Korean band) - Wikipedia

Season 6, The Big Bang Theory Wiki

The Big Bang Theory (season 4) - Wikipedia

Stephen Merchant - Wikipedia

The Big Bang Theory (TV Series 2007–2019) - Episode list - IMDb

The Big Bang Theory: Season 8

Laura Spencer, The Big Bang Theory Wiki

The Hot Troll Deviation, The Big Bang Theory Wiki

The Big Bang Theory The Champagne Reflection (TV Episode 2014) - IMDb

The Speckerman Recurrence, The Big Bang Theory Wiki

The Big Bang Theory (TV Series 2007–2019) - Episode list - IMDb

Season 8, The Big Bang Theory Wiki