The Best Episodes Written By James Krieg

When Scooby enters a snowboarding competition with champion Chris Klug, the other snowboarders start disappearing one by one.

Velma wins a science fair with her Dogbot and is awarded a trip to Tokyo, where Shaggy is cursed to turn into a gigantic monster while he sleeps.

A time experiment in the 1950s sends a bizarre monster to Ben's time. Now Ben, Gwen, and Kevin must team up with Paradox, a time traveling hero, to face off against the unstoppable creature.

Things come full circle as the team and the Outsiders return to Markovia for a final confrontation.

Batman and Plastic Man team up to save some scouts. Later, the two have must deal with Rubberneck and Kite Man who are targeting Plastic Man's family in a scheme for revenge.

Sam, Dean and Castiel are transported into the animated world of Scooby Doo where they join forces with the Scooby gang to solve a ghostly mystery.

Adam, Watch and Sally investigate a ghostly figure at a lighthouse where a little boy disappeared.

Peter Parker and Mary Jane are finally a couple, but there happiness is short-lived as the Green Goblin, armed with a time distorter and the true identity of Spider-Man, seeks to destroy Spidey, by any means necessary.

Mandok accidentally releases Niko from a magical chrysalis. Instead of a fully-grown Champion of Carondolet, ghostly princess Lyra finds a ten year old boy. Lyra must lead NIko across the Bridge of Doom, but when the horrible Xerxes returns and attacks, Lyra has no choice but to put her faith in untested Niko.

Booster Gold misses his late best bud, Blue Beetle, but when he travels back in time to hang with him, he throws the present into chaos.

Ex-employee of Stark Industries, Dr. Jonathan Ohn, invents a portable interdimensional technology that accidentally makes him the living embodiment of a portal. Calling himself the Spot, he tries to steal money to fund his research. But his unstable invention has created a vortex that threatens to engulf New York. How can Spider-Man fight that?

Mary Jane and Peter arrive in Niagara Falls for their postponed honeymoon, but it is soon interrupted when Hydro-Man returns and kidnaps MJ!

The Blue Beetle is determined to learn the fate of his predecessor, Ted Kord.

Starfire convinces the reluctant Titans to try defeating their enemies with compassion rather than violence.

After Gwen receives an S.O.S. from Helen, Ben must go into the Null Void to save her and Manny. Once there, he must find The Wrench in order to stop D'Void, who happens to be Ben's old enemy Dr. Animo

Spider-Man finds himself in yet another dimension, where he meets .... himself!

Adam and Watch get trapped in The Mayor's head -- quite literally -- when they chase him down to find out why he warned off Laurel a few weeks ago.

The Joker teams up with the Weeper.

When a sarcastic and unpopular ringmaster is murdered by an acrobat wearing a face mask and a Ninja-like costume, Stottlemeyer suspects an animal trainer who not only has a motive but also owns the murder weapon. Monk, however, suspects the ringmaster's ex-wife, a trapeze artist billed as The Queen of the Sky who is also a sharpshooter. Meanwhile, the Monk alienates Sharona by telling her that her fear of elephants is irrational and advising her to suck it up.

Mary Jane is being stalked by her former boyfriend, Morris Bench, who's undergone an accidental metamorphosis and become Hydro-Man. Sweeping Mary Jane off her feet in a wave of water he insists she will love him. Spider-Man is nearly beaten by the semi-liquid culprit but with a little help from Mary Jane puts a stop to this villain by causing him to evaporate once drawn away from the water that feeds him.

When Ben's parents discover his ability to turn into aliens, they forbid him from using the Omnitrix and later ground him from using it again. Eventually Gwen is grounded too leaving Kevin to stop the DNAliens.

Gwen's older brother, Ken, is suddenly missing. As they look, they encounter a surprise leading to a shocking secret from the DNAliens.

A melancholy Aquaman accompanies Batman to the planet Rann, where they aid Adam Strange in his fight against the Gordanians.

Spider-Man and Venom must put aside their differences and help Iron Man stop Carnage and Baron Mordo from releasing Dormammu.

Bruce puts Katana through a series of tests to prove her loyalty; meanwhile Batman battles Anarky.