SKET Dance: Tettei Bunseki Special
Japanese title: スケットダンス 徹底分析スペシャル
Type: Special
Episodes: 1
Source: Unknown
Studios: Tatsunoko Production
Duration: 24 min
Rating: PG-13 - Teens 13 or older

Special aired a couple of days before episode 5. It's a mix of explanations, recaps, and a seiyuu interview.