Trains, Submarines and Zeppelins Part 1
Season 4, Episode 1
Air date 17.12.2015
Episode guide
Zeppelin: Crater
Trains, Submarines and Zeppelins Part 2


When Mr. Pteranodon and Larry go out to the Big Pond to find some redplatanoids for the Winter Solstice Celebration, they accidentally miss the last train home. Will Larry and Mr. Pteranodon stop bickering long enough to figure out a way home, or will they get stranded in the middle of nowhere and miss the family Winter Solstice Celebration?

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