fix size episode name

before

![1](https://cloud.githubusercontent.com/assets/4480114/2871236/1904b298-d2fd-11e3-8852-011997a9d982.png)

after

![2](https://cloud.githubusercontent.com/assets/4480114/2871238/205880b0-d2fd-11e3-97f4-98d6ec8bbdf7.png)