When Samir browses his phone contacts, one of the names he sees is "Denton, Al", a reference to The Twilight Zone: Mr. Denton on Doomsday (1959).
Samir Wassan learned the hard way that sometimes, getting everything you want means losing everything you love. And after finally finding himself on the verge of becoming somebody, he chose instead to once again be a nobody. In the end, Samir's ...
When Kumail's character assails Joe Donner, he refers to him as "the last guy up here" when in fact, Joe was having a drink at the bar and the emcee or other comedian was doing time before him.