Martha Speaks S01 E32 Martha Doesn't Speak Monkey!

Martha calls Helen for help when she's trapped in Pablum and Weaselgraft's hideout, and explains how Helen can find her by using her nose. Then Martha needs Helen's help when she again finds herself in Pablum and Weaselgraft's lair, but this time explains how to locate her by describing the sounds she hears.