Octavia falls down a hill while running from a mysterious pursuer in episode #105 "Twilight's Last Gleaming".
Lexa leads a procession with Finn's body to the Grounder town of Tondc in episode #209 "Remember Me".
The SGC mining crew is attacked by a tribe of Unas in episode #707 "Enemy Mine".
K'tano leads and trains a group of free Jaffa in episode #518 "The Warrior".
From episode #107 "Salvage & Reclamation".