A Certain Scientific Railgun — Season 1 filler list
24 episodes
10 canon
6 filler
2 mixed
6 anime canon
Skip episode 3, 13–14, 17–19.
Season 1 of 73 episodes total · full A Certain Scientific Railgun filler list
#1ElectromasterA Certain Scientific Railgun episode 1 is canon — it adapts the original story.
#2When Working Under a Hot Sun, Rehydration Is EssentialA Certain Scientific Railgun episode 2 is mixed — part canon, part filler; watch if you want the canon scenes.
#3Tokiwadai Is TargetedA Certain Scientific Railgun episode 3 is filler — safe to skip.
#4Urban LegendsA Certain Scientific Railgun episode 4 is canon — it adapts the original story.
#5A Certain Pair of New TraineesA Certain Scientific Railgun episode 5 is canon — it adapts the original story.
#6Everyone is Proactive When it Comes to ThisA Certain Scientific Railgun episode 6 is canon — it adapts the original story.
#7Abilities and PowersA Certain Scientific Railgun episode 7 is canon — it adapts the original story.
#8Level UpperA Certain Scientific Railgun episode 8 is canon — it adapts the original story.
#9Majority ReportA Certain Scientific Railgun episode 9 is canon — it adapts the original story.
#10Silent MajorityA Certain Scientific Railgun episode 10 is canon — it adapts the original story.
#11Dr. KiyamaA Certain Scientific Railgun episode 11 is canon — it adapts the original story.
#12AIM BurstA Certain Scientific Railgun episode 12 is canon — it adapts the original story.
#13A Bikini Divides the Eyeline Between Top and Bottom, But a One-piece Shows Off the Figure, So They Only Flatter the SlenderA Certain Scientific Railgun episode 13 is filler — safe to skip.
#14Special WorkshopA Certain Scientific Railgun episode 14 is filler — safe to skip.
#15Skill OutA Certain Scientific Railgun episode 15 is anime canon — an original arc: not in the manga, but part of the anime's storyline; later episodes build on it.
#16Academy CityA Certain Scientific Railgun episode 16 is anime canon — an original arc: not in the manga, but part of the anime's storyline; later episodes build on it.
#17Tsuzuri's Summer VacationA Certain Scientific Railgun episode 17 is filler — safe to skip.
#18Asunaro ParkA Certain Scientific Railgun episode 18 is filler — safe to skip.
#19Midsummer FestivalA Certain Scientific Railgun episode 19 is filler — safe to skip.
#20PoltergeistA Certain Scientific Railgun episode 20 is mixed — part canon, part filler; watch if you want the canon scenes.
#21VoicesA Certain Scientific Railgun episode 21 is anime canon — an original arc: not in the manga, but part of the anime's storyline; later episodes build on it.
#22Level 6A Certain Scientific Railgun episode 22 is anime canon — an original arc: not in the manga, but part of the anime's storyline; later episodes build on it.
#23What Is It You See in Your Eyes Right Now?A Certain Scientific Railgun episode 23 is anime canon — an original arc: not in the manga, but part of the anime's storyline; later episodes build on it.
#24Dear My FriendsA Certain Scientific Railgun episode 24 is anime canon — an original arc: not in the manga, but part of the anime's storyline; later episodes build on it.