Ep 36. Lost Stuff

When Zuzu loses a gift for Poppy, they decide to take the rocketship to the Planet of Lost Stuff to find it, Shamrock Holmes, Space Detective (Egbert), who takes over their rocket and crashes it on the right planet then jets off. The gang starts finding all of their lost things, but when a strange alien sound frightens them, they quickly make use of Zuzu's gift: an inflatable rocket for emergencies.