Sirena Irwin voiced Mama Krabs in which first episode of the 5th season of SpongeBob SquarePants?
Sirena Irwin:  She also voiced Mama Krabs in the episodes "Enemy In-Law" and "Friend or Foe" among many others and also voiced Squilvia in "Love that Squid" (SpongeBob SquarePants). Friend or Foe (SpongeBob SquarePants): "Friend or Foe" is the first episode of the fifth season and the 81st overall episode of the American animated television sitcom "SpongeBob SquarePants".
i don't know