The seven Blu-ray disc volumes of K-ON! have an extra short anime "Ura-ON!"
K-On!: Ura-On!
Seasons
K-ON!
K-On!: Live House!
K-ON! Season 2
K-On!!: Keikaku!
K-ON!!: Ura-On!!
K-ON! The Movie
Episode 1
Episode 2
Episode 3
Episode 4
Episode 5
Episode 6
Episode 7
