Dumbbell Nan Kilo Moteru?: Silverman-Gym Oni Tore Kouza
English title: How Heavy Are the Dumbbells You Lift?: Silverman Gym Intense Training Course
Japanese title: シルバーマンジム鬼トレ講座
Type: Special
Episodes: 2
Source: Web manga
Genres: Comedy, Ecchi
Studios: Doga Kobo
Duration: 18 min per ep
Rating: PG-13 - Teens 13 or older

Specials included on the DVD/Blu-ray on disc 3 and 4, respectively.