Hold on to your Easter Bonnets! Alvin is convinced there's something fishy going on at the Happy Farms Resort! He manages to put his brothers, Simon and Theodore, into a tailspin as they try to solve an Easter mystery - is their Grandpa truly the original Easter Chipmunk? Get to the bottom of this scrambled caper that's laced with music and mischief - and some egg-citing Easter Chipmunk fun!