After Shrek suffers a heart attack from eating too much cheesecake, Mario puts him on a diet, making him eat salad and exercise.
This episode provides examples of:
- Acquired Poison Immunity: The diabetes that Shrek got from eating nothing but cheesecake his entire life has caused his body to build up an immunity to diabetes.
- Afraid of Needles: Shrek is afraid of needles because they prick and hurt, and would rather die than let Dr. Brooklyn T. Guy draw his blood to find out what's wrong with him.
- Diet Episode: In this episode, Mario puts Shrek on a diet when the latter suffers from a heart attack. He gets Chef Pee Pee to make a salad for Shrek and signs him up for a gym membership.
- Greens Precede Sweets: When Mario tries to get Shrek to eat salad, he tells him that if he eats all of his salad, he will let him have a bite of cheesecake for dessert, but Shrek would much rather eat cheesecake first. Because Shrek really refuses to eat his salad, Mario and Chef Pee Pee have to tie him down and force-feed him.
- Hollywood Heart Attack: Shrek suffers a heart attack as a result of eating too much cheesecake. Mario finds him unconscious in the bathroom and calls Dr. Brooklyn to revive him.
- Readings Are Off the Scale: Shrek's blood is tested after he has a heart attack. Dr. Brooklyn notes his blood is Velveeta cheese because he eats way too much cheesecake, and that he has so much diabetes that he has built an immunity to the diabetes because of the massive amount of diabetes he has.
- Status Quo Is God: Shrek loses a lot of weight as a result of diet and exercise, but instantly gains it back when he starts eating cheesecake again.
- Toilet Humor: This episode begins with Shrek pooping in Mario's toilet before asking Mario to bring him some more cheesecake. Mario asks Shrek why he can't just eat in the kitchen like a normal person, to which Shrek tells him that he digests very fast. Shrek also asks Mario to bring him another roll of toilet paper despite the fact that he already has a full roll, saying that he will needs rolls of it after he finishes his cheesecake.
- Trademark Favorite Food: Cheesecake for Shrek. This episode reveals that he has eaten nothing but it for his entire life, which is why his blood is Velveeta cheese and his body has built up an immunity to diabetes.
- Weight Loss Salad: To help Shrek lose weight, Dr. Brooklyn advises Mario to feed him salad. Mario tells Shrek that if he eats all of his salad, he will let him have a bite of cheesecake for dessert. Shrek would much rather eat cheesecake first, and because he refuses to eat his salad, Mario and Chef Pee Pee have to tie him down and force-feed him. Shrek does eventually lose weight due in part to his new diet of salad, but when he starts eating cheesecake again, he instantly gains it back.
