Smallville
Aqua
S5 E4:
At a party at Crater Lake, Lois is saved from drowning by Arthur "A.C." Curry. Arthur has incredible swimming abilities, but also a secret agenda aimed at...Lex. Meanwhile, Professor Fine discussed Lex's weapons-manfucturing operations with Clark.
Starring
Alan Ritchson, James Marsters, Nathaniel Deveaux