Supernatural

Sam and Dean are stunned when the spirits of Meg (recurring guest star N IKKI AYCOX - "Cold Case," "Ed") and Agent Henricksen (recurring guest star C. MALIK WHITFIELD - "The Guardian") appear and accuse the Winchesters of failing them. Although rattled, the brothers must pull together to save Bobby (recurring guest star JIM BEAVER), who is too crippled with guilt to fight off the angry ghosts o...

Dean is transported back in time and finds his newfound grandfather (guest star Mitch Pileggi - 'The X-Files') may be hiding a secret that is key to Sam and Dean's predicament.

Sam and Dean find that a family man (guest star Dameon Clark - "24", "Prison Break", "Dragon Ball Z"), is turning into a flesh-eating monster, and argue about killing him.

Shown in black and white, Dean and Sam investigate murders at Oktoberfest. Dean determines a shape-shifter demon is appearing as iconic monsters from old Hollywood movies.

Dean is infected with an illness that starts as anxiety, but moves to full-blown terror that stops the heart. Sam and Bobby (JIM BEAVER) must find the root before Dean dies.

The brothers deduce a witch is sacrificing people to summon a dangerous demon. ROBERT WISDOM ('The Wire', 'Prison Break') guest stars as Uriel, a specialist angel.

Sam and Dean investigate a small town where a wishing well actually works. The brothers realize, however, that while everyone is happy now, the end result could be disastrous.

Ruby (GENEVIEVE CORTESE - "Wildfire"), Sam and Dean look for a girl (JULIE McNIVEN - "Mad Men") who hears the angels. Castiel (MISHA COLLINS) and Uriel (ROBERT WISDOM) return.

Anna (JULIE McNIVEN) recalls her past and Sam and Dean understand why Castiel (MISHA COLLINS) and Uriel (ROBERT WISDOM) want her dead. Alastair (MARK ROLSTON) gets closer.

Sam and Dean investigate the appearance of a young female ghost in an abandoned house, but things become more complicated when a family moves in.

BARRY BOSTWICK, JOHN RUBENSTEIN and RICHARD LIBERTINI guest star as three friends who used to be famous magicians but have since been replaced by younger and flashier tricks.

Sam and Dean go undercover at their old high school, causing them to flash back to the time they spent there, when Sam was picked on by the school bully and Dean was Mr. Popular.

Sam and Dean find three small town men have beaten their wives to death. Behind the murders is a siren, who puts the brothers under her spell and pits them against each other.

Pamela (TRACI DINWIDDIE) sends the boys to the spiritual world when they find people cheating death. They must face Alastair (CHRISTOPHER HEYERDAHL), who is kidnapping the Reapers.

Castiel (MISHA COLLINS) and Uriel (ROBERT WISDOM) capture Alastair (CHRISTOPHER HEYERDAHL) and ask Dean to torture him with skills he learned in Hell.

What would happen if the Winchesters weren't hunters? In this alternate life, Dean is a corporate man who enjoys health drinks and listens to news radio and Sam is in tech support.

Sam and Dean discover "Supernatural" a series of comic books that accurately detail their lives as demon hunters. Lilith (KATHERINE BOECHER) is coming and she has plans for Sam.

A 19-year-old boy named Adam (JAKE ABEL) calls Sam and Dean looking for John Winchester; the boy claims to be his son. Dean is infuriated when he hears of his "normal" upbringing.

Dean and Sam search for Castiel (MISHA COLLINS), who appeared to Dean in a dream. Instead, they find Castiel's human vessel, who has little memory of being an angel.

Dean and Bobby (JIM BEAVER) lock Sam in Bobby's panic room so he can detox from the demon blood. Sam and Dean have a big blowout confrontation. MISHA COLLINS also guest stars.

Sam and Dean prepare for the apocalypse in different ways. Ruby (GENEVIEVE CORTESE), Lilith (KATHERINE BOECHER), Castiel (MISHA COLLINS) and Zachariah (KURT FULLER) appear.