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S10, E14: When Peter and the guys try to salvage a sunken Mercedes-Benz, Peter half-heartedly promises a favour to a helpful dolphin. Soon the dolphin moves to Quahog, outstays his welcome at Peter's and moves into Cleveland's house across the street. Peter tries to reunite the dolphin with his ex-wife in hopes that he'll return to the ocean, but his plan backfires and the whole dolphin family moves into Cleveland's.
Animation · 19 Feb 2012 · 20 min