Examples of ability replication

With a new ability, Peter saves a woman.
(Orientation)

Peter replicates Edgar's speed...

...and the two begin to fight.
(Jump, Push, Fall)

After saving Emma from an oncoming bus, Peter unintentionally replicates her ability...

...and begins to see sound as color.
(Hysterical Blindness)

Peter copies Hiro's ability...

...and is then able to teleport.
(Tabula Rasa)

After copying Jeremy Greer's ability Peter uses it at work.
(Shadowboxing)

...and to heal Matt Parkman.
(Brother's Keeper)

From Sylar, Peter reacquires flight...

...and is then able to fly.
(Brother's Keeper)

Peter takes René's ability...

...and uses it in the fight against Sylar...

...so he can bring back his brother.
(The Fifth Stage)

He subconsciously stops Claire from healing...

...and is able to enter a building to save some hostages.
(Let It Bleed)

Peter borrows Claire's regeneration powers...

...to heal a gunshot wound.
(Let It Bleed)

Peter replicates Angela's ability of precognitive dreaming...

...and has a bad dream about Emma.
(Close to You)

Peter replicates Matt's telepathy...

...and tries to get into Sylar's head...

...and gets into Sylar's nightmare.
(The Art of Deception)

After replicating flight from Sylar...

...Peter tackles Samuel and replicates...

...his ability of terrakinesis...

...to battle Samuel.
(Brave New World)