Alternative names:
Gintama: Dai Hanseikai; Gintama: Dai Hanseikai; Gintama Harumatsuri 2010; アニメ銀魂 大反省会
Some of the characters get together and talk about “regrets” they have after 4 years of anime Gintama. Soon they fight over who gets more screen time. Special animation shown at the Gintama Haru Matsuri 2010 live event.