Let's break down each brand shall we?
Raw
No Champion Began in 2005
Batista becomes one of the biggest stars at this time feuding with Triple H and Ric Flair and winning his first World Heavyweight Championship at Wrestlemania 21.
Chris Jericho comes up with the Money In The Bank ladder match concept.
Hulk Hogan returns to team up and feud with Shawn Michaels.
Muhammad Hassan becomes one of the most hated heels on the roster.
WWE Champion John Cena and Kurt Angle get drafted to Raw.
Kane/Edge/Lita/Matt Hardy storyline/real life drama comes out to play.
John Cena feuds with Kurt Angle, Christian, and Chris Jericho
Taboo Tuesday a fan interactive PPV debuts
John Cena leaves 2005 WWE Champion, title changed hands once.
Smackdown
JBL enters 2005 as WWE Champion
John Cena becomes one of the most popular WWE Superstars, feuds with JBL and wins his first WWE Championship at Wresltemania 21.
Eddie Guerrero and Rey Mysterio feud over custody of Dominic.
World Heavyweight Champion Batista and Randy Orton get drafted to Smackdown
Randy Orton feuds with The Undertaker leading to Hell In A Cell.
Eddie Guerrero passes away..
Batista feuds with Kane, Big Show, and Eddie Guerrero
Team Smackdown defeated team Raw at Survivor Series.
Bobby Lashley debuts.
Batista leaves 2005 World Heavyweight Champion, title changed hands once.
What say you?
Raw
No Champion Began in 2005
Batista becomes one of the biggest stars at this time feuding with Triple H and Ric Flair and winning his first World Heavyweight Championship at Wrestlemania 21.
Chris Jericho comes up with the Money In The Bank ladder match concept.
Hulk Hogan returns to team up and feud with Shawn Michaels.
Muhammad Hassan becomes one of the most hated heels on the roster.
WWE Champion John Cena and Kurt Angle get drafted to Raw.
Kane/Edge/Lita/Matt Hardy storyline/real life drama comes out to play.
John Cena feuds with Kurt Angle, Christian, and Chris Jericho
Taboo Tuesday a fan interactive PPV debuts
John Cena leaves 2005 WWE Champion, title changed hands once.
Smackdown
JBL enters 2005 as WWE Champion
John Cena becomes one of the most popular WWE Superstars, feuds with JBL and wins his first WWE Championship at Wresltemania 21.
Eddie Guerrero and Rey Mysterio feud over custody of Dominic.
World Heavyweight Champion Batista and Randy Orton get drafted to Smackdown
Randy Orton feuds with The Undertaker leading to Hell In A Cell.
Eddie Guerrero passes away..

Batista feuds with Kane, Big Show, and Eddie Guerrero
Team Smackdown defeated team Raw at Survivor Series.
Bobby Lashley debuts.
Batista leaves 2005 World Heavyweight Champion, title changed hands once.
my thoughts
This is a real tough one for me but ultimately for myself I'd give Smackdown The Undertaker vs. Orton the ultimately swerved me.What say you?
What was the brand of the year?