Episode Title:Mystery on the Prairie.Episode Description:When Martin and Chris find an unusual thorn bush with "spiked" grasshoppers and beetles, they set out to uncover the identity of the mystery culprit, a loggerhead shrike. Martin also comes across a shrike nest with a cowbird hatchling and is captured by the shrike. Now the Wild Kratts have to figure out a way to rescue both Martin and the cowbird without startling the local bison herd.