I honestly do not think that Twilight is overrated or she is getting all of the attention. To prove this I will be going over each episode of season 4 individually and briefly going over seasons one to three. *I realize this is a bit of a touchy subject so while I don't mind comments I expect that those who comment will do so respectfully.*

Princess Twilight Sparkle (Part 1 and 2) - In this episode, Twilight does play a major part, but so does the rest of the mane six and Spike and Discord. So while the title may have her name it is not solely about her. Also, it can be inferred from this episode...

Pinkie Pie was busy making some. cake dough for an order while humming her favorite tune (My Little Pony theme). "Pinkie Pie, I'm going to take the foals for a walk in the park! Take care of the shop while I'm gone!" A blue mare with a strawberry colored mane, called out. "Oh, alright!" The pink mare replied. Mrs. Cake started trotting out the door. Her hoofsteps were getting quieter and quieter as she headed out. Pinkie Pie slided her hoof across her face to wipe off some sweat, while putting the cake she just finished baking. "Phew, I'm exhausted...maybe I'll take a nice nap..". Pinkie Pie...