Lesson Zero

Lesson Zero is the third episode of the second season of My Little Pony Friendship is Magic, and the twenty-ninth episode overall.

Comcast summary
Hyper-organized Twilight panics when she can’t find a lesson about friendship for her weekly letter to Princess Celestia.

AT&T U-Verse & Verizon FiOS summary
As the time approaches for hyper-organized Twilight to write her weekly letter to Princess Celestia, she panics and frantically searches high and low for a good lesson about friendship, but nothing seems to be going right.

TV Guide summary
Twilight gets anxious when she loses something she wanted to include in a letter to the princess.

Cable Access Media summary
Twilight loses one of her friendship lessons for her letter to Princess Celestia.