The following documentation is transcluded from Template:Images by Episode/doc:

UsageEdit

{{Images by Episode|
        Series = 
|       Season =
|EpisodeNumber = 
|      Episode =
|         Prev =
|         Next =
}}

ExampleEdit

{{Images by Episode|
        Series = ENT
|       Season = 1
|EpisodeNumber = 24
|      Episode = Desert Crossing
|         Prev = Fallen Hero
|         Next = Two Days and Two Nights
}}

yields

This category contains all images from the ENT episode "Desert Crossing" (1x24).