Mario and the Tugs(DIC cartoons)

Mario and the Tugs is a 13 Episode crossover series when Mario Luigi the Princess and Toad are swimming then out of nowhare the doom ship arrived. King Koopa and the Koopa kids are prepared to attack Mario and his friends escape through a warp pipe but instead of taking them to another location it takes them to 1920s United States. The warp pipe comes out of the ocean but they are saved by a 2 small tugboats Sunshine and Ten Cents. The 2 Tugs take them to Bigg city port where Ten Cents tells Mario about the star fleet Captain Star the owner of the Star fleet allows Mario and his friends to stay at his place but King Koopa and his Kids arrive and get help from Captain Zero and his Tugs the Z-stacks.

episodes
trying to run away from king koopas doomship Mario Luigi Princess Toadstole and Toad jump into a warp pipe that lead them to bigg city port
 * one Bigg problem