The books sat in dust, and in the darkness... circled by their undead guardians... undisturbed... until now.
Castle is an action-adventure Flash-animated stick-figure series, created by Oscar Johansson. Set in a near-apocalyptic future, the series follows a group of soldiers and their efforts to infiltrate and subsequently escape from a group of cryptic Castles in an alternate dimension, attempting to recover a mysterious power from them in the hopes of solving Earth's resource crisis.
Episodes Season Season 1 · 0/12 0/12 watched · 2002 S01E01 Castle I 2002-11-03 2m
A man enters a castle to find a book. more S01E02 Castle II 2004-10-06 4m
Above a stone gray wasteland, a helicopter approaches a Castle built upon a lone mountain. The helicopter lands outside the Castle walls, and a green-eyed man steps out. more S01E03 Castle: Prologue 2006-01-01 4m
The prologue sets the background story and is meant to be watched before starting Castle III. more S01E04 Castle III: Part A 2007-01-01 9m
Castle III is the foundation of the series and sets the main story line. In Part A, Bitten by the Evils and plagued with nightmares, Etrius returns from the second Castle to a retelling of memories and a mysterious voice. more S01E05 Castle III: Part B 2007-01-04 10m
Castle III is the foundation of the series and sets the main story line. In Part B, 46 hours later, Etrius is ordered back on the battlefield alongside his teammates to infiltrate the third Castle, housing the fabled artifact that will save our planet. What could go wrong? more S01E06 Castle III: Part C 2007-01-10 8m
Castle III is the foundation of the series and sets the main story line. In Part C, the the unity of the team is tested when an ancient evil is awakened. more S01E07 Castle III: Part D 2007-01-21 8m
Castle III is the foundation of the series and sets the main story line. In Part D, the team is left with no other choice than to flee the Castle at all costs. Losses are unavoidable. more S01E08 Castle Repercussions: Part A 2009-04-04 9m
In Castle Repercussions, we focus on the crew-memebers who were left behind after the events of Castle III. Part A, the introduction to the installment. We then focus on Private Ray Williams, the one soldier who got smashed into a wall by an evolved evil in Castle III Part D. He now wakes up and has to figure out a way to escape the Castle. more S01E09 Castle Reprecussions: Part B 2009-04-08 4m
In Castle Repercussions, we focus on the crew-memebers who were left behind after the events of Castle III. Part B, follows Helicopter Pilot Plisskin, who wakes up after his crash landing in the courtyard. more S01E10 Castle Reprecussions: Part C 2009-04-15 8m
In Castle Repercussions, we focus on the crew-memebers who were left behind after the events of Castle III. Part C. We follow Sergeant John Mullins. He's a badass, enough said. more S01E11 Castle Reprecussions: Part D1 2009-08-28 6m
In Castle Repercussions, we focus on the crew-memebers who were left behind after the events of Castle III. Part D. Finally, Elite Team Demolitions Expert "Boomer" - The strong and brutal leader. more S01E12 Castle Reprecussions: Part D2 2009-08-28 8m
In Castle Repercussions, we focus on the crew-memebers who were left behind after the events of Castle III. Part D. Finally, Elite Team Demolitions Expert "Boomer" - The strong and brutal leader. more 
