| 1. | Lab Friends... Forever? / Surviving Billy Billy's school project goes awry. Back to Cheeserator. | Cantonese, Deutsch, English, Español, Español (Latinoamericano), Français, Japanese, Mandarin, Nederlands, Português (Brasil), Taiwanese Mandarin | Chinese (Hong Kong), Chinese (Traditional), English [CC], Greek, Magyar, Polski, Română, Türkçe, Čeština | HD |
| 2. | Calzones / Crab Hands Zeke defends his title. Billy's monstrous invention. | Cantonese, Deutsch, English, Español, Español (Latinoamericano), Français, Japanese, Mandarin, Nederlands, Português (Brasil), Taiwanese Mandarin | Chinese (Hong Kong), Chinese (Traditional), English [CC], Greek, Magyar, Polski, Română, Türkçe, Čeština | HD |
| 3. | The Date / The Troggies Next Door Marsha's dream date. Billy and Zeke vs.The Troggies. | Cantonese, Deutsch, English, Español, Español (Latinoamericano), Français, Japanese, Mandarin, Nederlands, Português (Brasil), Taiwanese Mandarin | Chinese (Hong Kong), Chinese (Traditional), English [CC], Greek, Magyar, Polski, Română, Türkçe, Čeština | HD |
| 4. | The Mushroom Prince / Count Wretcher Marsha's private diary. Billy meets Count Wretcher. | Cantonese, Deutsch, English, Español, Español (Latinoamericano), Français, Japanese, Mandarin, Nederlands, Português (Brasil), Taiwanese Mandarin | Chinese (Hong Kong), Chinese (Traditional), English [CC], Greek, Magyar, Polski, Română, Türkçe, Čeština | HD |
| 5. | Hey Judy / Welcome to the Hag House Friendship or love? Billy meets a chemistry master. | Cantonese, Deutsch, English, Español, Español (Latinoamericano), Français, Japanese, Mandarin, Nederlands, Português (Brasil), Taiwanese Mandarin | Chinese (Hong Kong), Chinese (Traditional), English [CC], Greek, Magyar, Polski, Română, Türkçe, Čeština | HD |
| 6. | Beastie Billy / Zartran Billy has cursed himself. Billy's warrior houseguest. | Cantonese, Deutsch, English, Español, Español (Latinoamericano), Français, Japanese, Mandarin, Nederlands, Português (Brasil), Taiwanese Mandarin | Chinese (Hong Kong), Chinese (Traditional), English [CC], Greek, Magyar, Polski, Română, Türkçe, Čeština | HD |
| 7. | "K" is for Klutz / Tommy X Marsha's a klutz. Zeke meets his hero, Tommy X. | Cantonese, Deutsch, English, Español, Español (Latinoamericano), Français, Japanese, Mandarin, Nederlands, Português (Brasil), Taiwanese Mandarin | Chinese (Hong Kong), Chinese (Traditional), English [CC], Greek, Magyar, Polski, Română, Türkçe, Čeština | HD |
| 8. | Billy / Willie / The Telltale Wart Billy tricks an old lady. Billy's new friend's wart. | Cantonese, Deutsch, English, Español, Español (Latinoamericano), Français, Japanese, Mandarin, Nederlands, Português (Brasil), Taiwanese Mandarin | Chinese (Hong Kong), Chinese (Traditional), English [CC], Greek, Magyar, Polski, Română, Türkçe, Čeština | HD |
| 9. | Ol' MacBilly / Silly Spheres Billy discovers a wig shop. Hag Witch gives an order. | Cantonese, Deutsch, English, Español, Español (Latinoamericano), Français, Japanese, Mandarin, Nederlands, Português (Brasil), Taiwanese Mandarin | Chinese (Hong Kong), Chinese (Traditional), English [CC], Greek, Magyar, Polski, Română, Türkçe, Čeština | HD |
| 10. | Wretcherous Treachery / Jared Wretcher's evil plan. Billy gets jealous. | Cantonese, Deutsch, English, Español, Español (Latinoamericano), Français, Japanese, Mandarin, Nederlands, Português (Brasil), Taiwanese Mandarin | Chinese (Hong Kong), Chinese (Traditional), English [CC], Greek, Magyar, Polski, Română, Türkçe, Čeština | HD |
| 11. | Sluggy / Double Bubble Billy's new pet. Zeke and Billy's predicament. | Cantonese, Deutsch, English, Español, Español (Latinoamericano), Français, Japanese, Mandarin, Nederlands, Português (Brasil), Taiwanese Mandarin | Chinese (Hong Kong), Chinese (Traditional), English [CC], Greek, Magyar, Polski, Română, Türkçe, Čeština | HD |
| 12. | The Glorp of the Gorks / Rat's Entertainment! The Gorks' relic goes missing. A rat-themed show. | Cantonese, Deutsch, English, Español, Español (Latinoamericano), Français, Japanese, Mandarin, Nederlands, Português (Brasil), Taiwanese Mandarin | Chinese (Hong Kong), Chinese (Traditional), English [CC], Greek, Magyar, Polski, Română, Türkçe, Čeština | HD |
| 13. | The Battle for Subterranea-Tania / The Battle for Subterranea-Tania part II Billy's goodbye party is interrupted by aliens! | Cantonese, Deutsch, English, Español, Español (Latinoamericano), Français, Japanese, Mandarin, Nederlands, Português (Brasil), Taiwanese Mandarin | Chinese (Hong Kong), Chinese (Traditional), English [CC], Greek, Magyar, Polski, Română, Türkçe, Čeština | HD |
