Big Trouble for Little Lila is episode 6b of Season 2.
Synopsis[]
A locket problem causes Polly's head to shrink and Lila's body to shrink on the day of Lila's big spartan race! They have to work together, Lila's big head upon Polly's big body, to do the competition.
Plot[]
They have to work together, Lila's big head upon Polly's big body, to do the competition. But adding stress to this already stressful competition is Bella Bigowski, aka "Big," bully and most athletic girl in their grade. Stoking the fires of the competition, Big calls Lila "fashion pants" .Lila is intent on proving that she's more than a fashionable girl. In the end, Lila discovers that the heart of her athleticism isn't meant to be a competition with Big and no trophy can change the way she feels about herself.