Between his massively successful sitcom “Seinfeld” and his popular Netflix streaming talk show “Comedians In Cars Getting Coffee” and his various stand-up specials, comedian Jerry Seinfeld has long established himself as arguably a master of comedic television. Seinfeld has spent nearly four decades on television, but after all this time, the funny man is finally making the jump to movies with “Unfrosted,” a comedic take on the origin of the beloved breakfast pastry Pop-Tarts, which he both stars and directs.