The Agents face a dangerous situation during a train ride on Marvel's Agents of S.H.I.E.L.D. "T.R.A.C.K.S." is the 13th episode of the show's first season.
Coulson and his team hide in the last place anyone would think to look on Agent's of S.H.I.E.L.D. "Providence" is the 18th episode of the show's first season.