Season 1 includes scenarios 1 through 17
Season 2 includes scenarios 18 through 44
Season 3 includes scenarios 45 through 62
Season 4 includes scenarios 63 through 67 (later, 68 - 95)
An abortive "Season 5" includes two scenarios.
To support a wide range of character levels, most scenarios were "tiered" over a range of "ATL" (average table level). The ATL was a method to calculate a given character party's relative strength. Dungeon Masters would utilize the tiered scenario structure to present a challenging situation to the players.
Note: this family links together the various series ("seasons") of scenarios that comprise the organized play program. To view the series included in this family, use the "Linked Items" blue box, immediately below. Select "RPG Series" from the "Relationship" drop-down.