An eccentric billionaire asks the iCarly gang to perform a web show from outer space; Spencer is visited by a mysterious little girl.

An eccentric billionaire asks the iCarly gang to perform a web show from outer space; Spencer is visited by a mysterious little girl.

“Shadowboxing” is the eighth episode of the fourth season of the NBC science fiction drama series Heroes and sixty-seventh episode overall. The episode aired on November 9, 2009.