Theodore's Biggest Ocean Adventure is the final Episode of Theodore Tugboat Season 6
Plot:
Rebbecca the research vessel goes missing after being stuck exploring a iceberg. Using buoys to find Rebecca after she tells him how water pushes big icebergs. After using the weight of some chunks of the iceberg to make him strong enough to push the big iceberg itself, Saving Rebbecca.
Characters:
Hank
Theodore
The Dispatcher
George (cameo)
Foduck (cameo)
Emily
Sigrid
The Rail Barge (does not speak)
Trivia:
Cameos by George,Foduck, and The Rail Barge