The New Adventures of Huckleberry Finn (1968)

All Whirlpools Lead To Atlantis (1x20)

Air date: Feb 23, 1969

Tom, Huck and Becky get sucked down a whirlpool to the seabed. King Llandor and Huck exchange clothes, so Morpho's minions mistake Huck for Llandor. Morpho next captures Tom and Becky, but all three make their escape and help Llandor defeat Morpho and his minions.