When Working Under a Hot Sun, Rehydration is Essential

A Certain Scientific Railgun — Episode 2: "When Working Under a Hot Sun, Rehydration is Essential"

Ep 1 Electromaster Ep 2 When Working Under a Hot Sun, Rehydration is Essential Ep 3 Tokiwadai is Targeted Ep 4 Urban Legends Ep 5 A Certain Pair of New Trainees Ep 6 Everyone is Proactive When it Comes to This Ep 7 Abilities and Powers Ep 8 Level Upper Ep 9 Majority Report Ep 10 Silent Majority Ep 11 Dr. Kiyama Ep 12 AIM Burst Ep 13 A Bikini Divides the Eyeline Between Top and Bottom, But a One-piece Shows Off the Figure, so They Only Flatter the Slender Ep 14 Special Workshop Ep 15 Skill Out Ep 16 Academy City Ep 17 Tsuzuri's Summer Vacation Ep 18 Asunaro Park Ep 19 Midsummer Festival Ep 20 Poltergeist Ep 21 Voices Ep 22 Level 6 Ep 23 What Is It You See In Your Eyes Right Now? Ep 24 Dear My Friends