The Big Bang Theory Trading Cards Seasons 3 & 4 Booster Pack Base set featuring episodic images from Seasons 3 and 4 Randomly inserted Cast Autographs and Wardrobe cards Limited production run of only 7,000 hobby boxes 1- 5 Card Booster pack No Guaranteed number of inserts per pack, packs with inserts may contain less than the stated number of cards per pack.