12 “Er is soms een weg die iemand recht schijnt, maar het einde ervan zijn wegen van de dood.” – Spreuken 14:12

The Big Bang Theory : Season 7 – Episode 1 : “The Hofstadter Insufficiency” – “Promo”

Back To The Future – Anno 1985

Timothy Keller – “Your Plans : God’s Plans”

The Big Bang Theory : Season 8 – Episode 5 : “The Focus Attenuation” – “We Gotta Watch “Back To The Future II””

Back To The Future II – Anno 1989

The Big Bang Theory : Season 8 – Episode 5 : “The Focus Attenuation” – “Is “Placed” The Right Tense For Something That Would Have Happened In The Future Of A Past That Was Affected By Something From The Future?”

Back To The Future III – Anno 1990

The Big Bang Theory : Season 7 – Episode 1 : “The Hofstadter Insufficiency” – “Back To The Future 2 Was In The Back To The Future 3 Case, And Back To The Future 3 Was, Get This, In The Back To The Future 2 Case”

The Big Bang Theory : Season 7 – Episode 17 : “The Friendship Turbulence” – “I Knew It”