As danger knocks on Sarah's door, Frank takes his quest for vengeance to the next level with some help from an unexpected ally.
Sarah is fascinated by some mysterious music coming from the hedge.
Following a deadly explosion, Karen lands in a bomber's crosshairs -- and Frank isn't happy about it. Meanwhile, Curtis makes a grisly discovery.
Frank makes a damning confession. A shootout leaves Sarah wondering what to believe. Rawlins goes in for the kill, once and for all.
When Jake, Nathan and Ricardo are captured by Kane and Rook, instead of being punished, their lives are changed in unimaginable ways.
As the authorities close in, an exhausted but unbroken Frank vows to put an end to the war that has consumed his life.
As they adjust to their new powers, the Flex Fighters encounter a mysterious ninja trying to take down Rook and Charter City.
When computer hacker Circuit-Stream develops powers to pass through solid objects, it's up to the Flex Fighters to stop him from taking over the city.
Spook-searching with Yvette and co The team head to Presteigne in Wales and the famous Judge's Lodgings where they are put through their paces by an unseen spirit.
The Flex Fighters and Kane must confront former gangster Jack Kinland, who has taken over the criminal underworld with the help of Stretch Monster.
While Stretch and the Flex Fighters try to work out their issues, a mysterious villain schemes to take over Rook's latest creation, the Stretchipedes.
Quick Charge, a scientist with the ability to skate on electricity, sabotages the city's electric grid in order to carry out revenge on Rook.
The Flex Fighters must race against Blindstrike to the location of Dr. C's downed plane, where secrets of the dangerous Hyper-Flexarium reside.
Stretch's odds of attending the school dance are slim when his powers go haywire after criminals Brick and Mortar hit him with an unknown weapon.
To discover the identity of Blindstrike, Stretch and the Flex Fighters work together with an unlikely ally to locate Dr. Cs secret base.
When the mysterious Tech Men take the museum hostage, Stretch and the Flex Fighters must find a way to stop them without revealing their identities.
Stretch and the Flex Fighters race against Stretch Monster to secure a mysterious and dangerous chemical held by Blindstrike.
Matt forgets Jay's birthday and tries to make it up to him. Jay gets lost at Toronto's festival.