Martin's Lost Voice

Martin's Lost Voice is the 5th episode of Season 7 of the PBS Kids show Wild Kratts. It is the 157th episode of the series overall.
In this episode, Aviva takes Martin's place as one of the Kratt brothers because he has a sore throat. 
==Plot==
The episode begins with a live action segment. The Kratt brothers are in the Caatinga to find Spix's Macaws. Afterwards, they ask their "What if?" question and the show transitions into the cartoon segment. 
The Wild Kratts are flying over South America to find animals. Martin has a sore throat and loses his voice. How will Martin go Creature Adventuring when he's not well? Aviva decides to take his place and goes with Chris on their creature adventure. Not long after, Aviva and Chris meet a Spix's Macaw. Aviva names it Azul, after the Spanish word for blue, azul. Chris contacts the rest of the Wild Kratts to show them Azul. Martin begins crying out of jealousy because blue is his favorite color. 
==Trivia==
* Presley the Spix's Macaw is mentioned.