S4 E1: Beau Tie

S4 E2: Remember Me?

S4 E3: Overlabbing

S4 E4: Sis-Tem Error

S4 E5: Bad Cable Manners

S4 E6: Dexter's Library

S4 E7: The Scrying Game

S4 E8: Monstrosi-Dee Dee

S4 E9: Dad Man Walking

S4 E10: Dexter's Little Dilemma

S4 E11: Faux Chapeau

S4 E12: D²

S4 E13: Head Band

S4 E14: Stuffed Animal House

S4 E15: Used Ink

S4 E16: School Girl Crushed

S4 E17: Chess Mom

S4 E18: Father Knows Least

S4 E19: Dexter the Barbarian

S4 E20: Tuber Time

S4 E21: Sore Eyes

S4 E22: Babe Sitter

S4 E23: Mountain Mandark

S4 E24: 2Geniuses 2Gether 4Ever

S4 E25: Height Unseen

S4 E26: Bygone Errors

S4 E27: Folly Calls

S4 E28: Voice Over

S4 E29: The Blonde Leading the Blonde

S4 E30: Comic Stripper

S4 E31: Tee Party

S4 E32: Dexter's Wacky Races

S4 E33: The Lab of Tomorrow

S4 E34: Chicken Scratch

S4 E35: Garage Sale

S4 E36: They Got Chops

S4 E37: Poetic Injustice

S4 E38: Comedy of Feathers