Young Justice

Season 3 Episode 21: Unknown Factors

Dick Grayson and Jefferson go after Gretchen Goode -- and they encounter the ominous Overlord.

Genre:

Animation, Sci-Fi & Fantasy, Action & Adventure

Seasons:

4

Episodes:

98

Cast:

Jesse McCartney, Khary Payton, Nolan North

Quality:

HD

Duration:

23 min

First Air:

2010

Rating:

8.4