Currently available on 3 streaming services.

Streaming, rent, or buy The Venture Bros. – Season 3:

Currently you are able to watch "The Venture Bros. - Season 3" streaming on Channel 4 or buy it as download on Apple TV, Amazon Video.

Cast

Doc Hammer
Dr. Girlfriend / Henchman 21 (voice)
Christopher McCulloch
Hank Venture / The Monarch (voice)
Patrick Warburton
Brock Samson (voice)
James Urbaniak
Dr. Venture (voice)
Michael Sinterniklaas
Dean Venture (voice)