<P> In the fifth season episode `` Good God , Y'all ! '' , Ellen reappears with Jo to help fellow hunter Rufus kill demons that have laid siege to a small town . By the time the Winchesters arrive , it appears that Jo , Rufus , and some other townspeople have become demonically possessed . However , Ellen and Dean eventually realize that War , one of the Four Horsemen of the Apocalypse , is making the townspeople see each other as demons . Sam and Dean break War 's spell just as Ellen is about to be killed by one of the town 's residents . In `` Abandon All Hope ... '' , Ellen and Jo once again team up with the brothers to find Lucifer and kill him . Upon their arrival in a seemingly abandoned small town , however , they are attacked by the demon Meg and a pack of hellhounds . Jo is severely mauled , forcing them to barricade themselves inside a hardware store . Knowing that her wounds are fatal and that Lucifer must be stopped , Jo convinces them to build a bomb and to use her as bait for a trap . Ellen stays behind and opens the front doors while the Winchesters escape onto the roof . After Jo dies in her arms , Ellen blows up the building , killing the hellhounds and herself in the process . </P>
<P> In the fifth season episode `` Good God , Y'all ! '' , Ellen reappears with Jo to help fellow hunter Rufus kill demons that have laid siege to a small town . By the time the Winchesters arrive , it appears that Jo , Rufus , and some other townspeople have become demonically possessed . However , Ellen and Dean eventually realize that War , one of the Four Horsemen of the Apocalypse , is making the townspeople see each other as demons . Sam and Dean break War 's spell just as Ellen is about to be killed by one of the town 's residents . In `` Abandon All Hope ... '' , Ellen and Jo once again team up with the brothers to find Lucifer and kill him . Upon their arrival in a seemingly abandoned small town , however , they are attacked by the demon Meg and a pack of hellhounds . Jo is severely mauled , forcing them to barricade themselves inside a hardware store . Knowing that her wounds are fatal and that Lucifer must be stopped , Jo convinces them to build a bomb and to use her as bait for a trap . Ellen stays behind and opens the front doors while the Winchesters escape onto the roof . After Jo dies in her arms , Ellen blows up the building , killing the hellhounds and herself in the process . </P>
when did ellen and jo come back in supernatural
when did ellen and jo come back in supernatural
In the fifth season episode `` Good God , Y'all ! ''
In the fifth season episode `` Good God , Y'all ! ''