Gintama

[Marik]

Any solid sub-group that has batches of this, or perhaps the entire show in one big pack?

The only batches I've seen are dvd rips done by individual seasons. I haven't seen one big batch combining all 4 seasons.

Baka BT

Gintama Season 1 + JUMP Festa OVA [R-G][DVDRIP]
Gintama Season 2 [R-G][DVDRIP]
Gintama Season 3 [R-G][DVDRIP]
Gintama Season 4 [R-G][DVDRIP]

or

Nyaa

Gintama [RG Genshiken][Season 1]
Gintama [RG Genshiken][Season 2]
Gintama [RG Genshiken][Season 3]
Gintama [RG Genshiken][Season 4]