Monsters vs. Aliens
Season 1 Episode 50
The Invisible Threat! (Also Silent)
Feb 8, 20140.0 rating
A metal robot battles with the monsters and aliens.
Player
External embed, no media hosted by StreamZy
Primary streaming server.
More from this season
S1 E1
Welcome to Area Fifty-Something
All is well at Area Fifty-Something with Team Monster, until a lone alien imprisons the President and makes a permanent home on base.
S1 E2
Danger Wears a Diaper
The president's birthday is here! Dr. Cockroach has made him a gadget that will make him appear younger, but instead blasts him to infanthood.
S1 E3
The Toy From Another World
The Monsters snoop in Coverton's quarters, where they find his "cuddle bear", which then attacks everyone on B.O.B.'s commands.
S1 E4
The Bath Effect
Susan makes B.O.B. think that baths cure crankiness - B.O.B. leaps into action, chasing after Coverton to cure his crankiness once and for all.