Boys Will Be Boys (S04E04)

After a near disaster at the stable almost leads to a fire, the town resolves to establish a Volunteer Fire Department. The decision on who should lead it comes down to Alec and Clive, but Hetty ultimately makes the crucial choice in favor of Clive. Initially, the fire department struggles with chaos and lack of direction. However, when Felix's science project goes haywire and threatens to set the school ablaze, the team bands together, igniting a newfound sense of cooperation to prevent catastrophe.