Mighty Ducks

"Mighty Ducks" was a Disney animated carton series on the Disney Afternoon which ran for 1 season for 26 episodes from Sept 26, 1996 to January 17, 1997

On a distant planet called Puckworld the main focus of the hummonioded duck inhabinents is Ice Hockey. However their planet has been conquered by a race of hummonioded Dinosauers called Saurians. Seven survivors escaped to earth where by night they play Ice hockey and by day battle the Saurians trying to enslave them!

Might ducks Wikipedia article and guide to episodes