When Detective King Julien searches for a missing Butterfish, he notices lemurs acting strange all around and realizes he has a serious mystery on his hands, so he must get the Mystery Solving Team back together.

Cast: Danny Jacobs, Andy Richter, Kevin Michael Richardson, India de Beaufort, Jeff Bennett, JB Blanc, David Koechner, David Krumholtz, Dwight Schultz, Debra Wilson, Marcela Duarte