Muscular Beaver / Fish and Dips

S1 E5: Norb secretly props up Dag's secret super hero identity until he gets in a tight jam and then it's "Muscular Beavers to the Rescue!" The beavers confront the terror of the unknown when Dag believes he barely escaped an underwater encounter with the legendary "Old Gramps", a muskellunge so huge he can supposedly swallow a Swede.