Mighty Express

While delivering a pirate ship to Museum Station, the Mighty Express finds a treasure map that leads to a legendary train pirate's secret cave.

Nate must transport a giant castle the kids and trains of Tracksville need for the Medieval Festival, but Tricky Ricky and Sneaky Sally want the castle and crown for themselves.

Faye must deliver a bathtub car to Farm Station so Bart can take a bath, but Bart doesn't want to take a bath and causes problems for Faye.

Mandy is determined to get Flicker new hubcaps to thank him for being a pal.

All the team animals follow Brock while he hauls Dustry's new alpine horn.

Red is tasked with delivering a venus flytrap from Port Station to Farm Station, but encounters trouble when the playful plant grows along the way.

Milo must take the brand-new paint car to Farm Station so he and Liza can paint the barn as a surprise for Clay and May.