Over the course of 15 seasons on the air, "Supernatural" aired well over 300 episodes showcasing the adventures of brothers Sam and Dean Winchester.

Supernatural was a hit horror television series from the moment it debuted, but the fact that it lasted 15 seasons speaks wonders about its quality. The urban fantasy series opened as a Monster of the ...

Dean Winchester (Jensen Ackles) and Sam Winchester (Jared Padalecki) stand shocked together in Supernatural - The CW A staple on The CW for 15 seasons, "Supernatural" can stand among the ...

Jared Padalecki's Sam Winchester and Jensen Ackles' Dean Winchester looking serious on Supernatural - Jack Rowand/The CW Eric Kripke's "Supernatural" started out as a different show than it ultimately ...