In September 2015, TMZ uncovered court documents showing that Page sued Robertson over the "Big Bang Theory Theme" song, alleging that he was promised 20% of the proceeds but Robertson kept the money.
iN septEmber 2015, tMz Uncovered Court documEnTs shoWing that page suED rObertSon OVEr The "BIG BanG theoRy thEME" sOng, aLlegInG tHat he WAs proMIsed 20% of the pRocEedS But RObertson kEpt the mOnEy.