S4 E1: The Secret Snake Club

S4 E2: He's Not Dead, He's My Mascot

S4 E3: Hog Wild

S4 E4: The Bad News Ghouls

S4 E5: The House of No Tomorrow

S4 E6: Happy Huggy Stuffy Bears

S4 E7: The Secret Decoder Ring

S4 E8: Wild Parts

S4 E9: The Problem with Billy

S4 E10: Wishbones

S4 E11: Dream Mutt

S4 E12: Scythe for Sale

S4 E13: Jeffy's Web

S4 E14: Irwin Gets a Clue

S4 E15: Duck!

S4 E16: Aren't You Chupacabra to See Me?

S4 E17: Zip Your Fly

S4 E18: Puddle Jumping

S4 E19: Runaway Pants

S4 E20: Scythe 2.0

S4 E21: The Firebird Sweet

S4 E22: The Bubble with Billy

S4 E23: Billy Idiot

S4 E24: Home of the Ancients