S1, E8: "Babysitter Blues":  Dexter is in love with his babysitter, Lisa. Distraught when he realizes she has a teenaged boyfriend, he ages himself by ten years to win her heart, to less than desirable results. / "Valhallen's Room":  (Justice Friends) When Valhallen loses his "axe," his "mystic instrument of might", Major Glory and Krunk search his room for it, and find it in a most unexpected place. / "Dream Machine":  When Dexter has a nightmare that he is taking a test and he can't even add 2+2, he makes a dream machine that is designed to keep his dreams positive. He instructs Dee Dee to monitor the machine, and when she can't stay awake to do it, his dreams turn ugly.