Screech decreases the opponent's Defense by two levels.
Screech will do nothing if the opponent's Defense has reached a level of -6 or a value of 1, and will fail if the opponent has a Substitute or is under the effect of Mist. The effect of Screech is ignored by critical hits.
Template:Breedlist
|-
| style="background: #FFF; font-family:monospace,monospace" | 0019
| style="background: #FFF; text-align: center;" |
| style="background: #FFF" | Rattata
| colspan="2" style="background:#9FA19F; text-align: center;" | Normal
| style="background: #FFF" | Ekans, Arbok Meowth, Persian Psyduck, Golduck Mankey, Primeape Aipom Umbreon Dunsparce Sneasel
|-
| style="background: #FFF; font-family:monospace,monospace" | 0046
| style="background: #FFF; text-align: center;" |
| style="background: #FFF" | Paras
| colspan="1" style="background:#91A119; text-align: center;" | Bug || style="background:#3FA129" align="center" colspan="1" rowspan="1" | Grass
| style="background: #FFF" | Yanma Gligar
|-
| style="background: #FFF; font-family:monospace,monospace" | 0048
| style="background: #FFF; text-align: center;" |
| style="background: #FFF" | Venonat
| colspan="1" style="background:#91A119; text-align: center;" | Bug || style="background:#9141CB" align="center" colspan="1" rowspan="1" | Poison
| style="background: #FFF" | Yanma Gligar
|-
| style="background: #FFF; font-family:monospace,monospace" | 0050
| style="background: #FFF; text-align: center;" |
| style="background: #FFF" | Diglett
| colspan="2" style="background:#915121; text-align: center;" | Ground
| style="background: #FFF" | Ekans, Arbok Meowth, Persian Psyduck, Golduck Mankey, Primeape Aipom Umbreon Dunsparce Sneasel
|-
| style="background: #FFF; font-family:monospace,monospace" | 0090
| style="background: #FFF; text-align: center;" |
| style="background: #FFF" | Shellder
| colspan="2" style="background:#2980EF; text-align: center;" | Water
| style="background: #FFF" | Tentacool, Tentacruel
|-
| style="background: #FFF; font-family:monospace,monospace" | 0104
| style="background: #FFF; text-align: center;" |
| style="background: #FFF" | Cubone
| colspan="2" style="background:#915121; text-align: center;" | Ground
| style="background: #FFF" | Lickitung Totodile, Croconaw Feraligatr Larvitar, Pupitar, Tyranitar Mareep, Flaaffy, Ampharos
|-
| style="background: #FFF; font-family:monospace,monospace" | 0109
| style="background: #FFF; text-align: center;" |
| style="background: #FFF" | Koffing
| colspan="2" style="background:#9141CB; text-align: center;" | Poison
| style="background: #FFF" | Grimer, Muk
|-
| style="background: #FFF; font-family:monospace,monospace" | 0170
| style="background: #FFF; text-align: center;" |
| style="background: #FFF" | Chinchou
| colspan="1" style="background:#2980EF; text-align: center;" | Water || style="background:#FAC000" align="center" colspan="1" rowspan="1" | Electric
| style="background: #FFF" | Remoraid, Octillery
|-
| style="background: #FFF; font-family:monospace,monospace" | 0179
| style="background: #FFF; text-align: center;" |
| style="background: #FFF" | Mareep
| colspan="2" style="background:#FAC000; text-align: center;" | Electric
| style="background: #FFF" | Ekans, Arbok Meowth, Persian Psyduck, Golduck Mankey, Primeape Lickitung Totodile, Croconaw, Feraligatr Aipom Umbreon Dunsparce Sneasel Larvitar, Pupitar, Tyranitar
|-
| style="background: #FFF; font-family:monospace,monospace" | 0200
| style="background: #FFF; text-align: center;" |
| style="background: #FFF" | Misdreavus
| colspan="2" style="background:#704170; text-align: center;" | Ghost
| style="background: #FFF" | Grimer, Muk
|-
| style="background: #FFF; font-family:monospace,monospace" | 0222
| style="background: #FFF; text-align: center;" |
| style="background: #FFF" | Corsola
| colspan="1" style="background:#2980EF; text-align: center;" | Water || style="background:#AFA981" align="center" colspan="1" rowspan="1" | Rock
| style="background: #FFF" | Psyduck, Golduck Tentacool, Tentacruel Totodile, Croconaw, Feraligatr
|-
| style="background: #FFF; font-family:monospace,monospace" | 0223
| style="background: #FFF; text-align: center;" |
| style="background: #FFF" | Remoraid
| colspan="2" style="background:#2980EF; text-align: center;" | Water
| style="background: #FFF" | Psyduck, Golduck Totodile, Croconaw, Feraligatr
|-
| colspan="6" | Bold indicates a Pokémon which gets STAB from this move. Italic indicates a Pokémon whose evolution gets STAB from this move. *Indicates Pokémon that can only learn the move through chain breeding.
|}
|}
Template:Breedlist
|-
| style="background: #FFF; font-family:monospace,monospace" | 0019
| style="background: #FFF; text-align: center;" |
| style="background: #FFF" | Rattata
| colspan="2" style="background:#9FA19F; text-align: center;" | Normal
| style="background: #FFF" | Ekans, Arbok Golbat Meowth, Persian Psyduck, Golduck Mankey, Primeape Aipom Umbreon Dunsparce Sneasel Whismur, Loudred, Exploud Seviper Kecleon
|-
| style="background: #FFF; font-family:monospace,monospace" | 0046
| style="background: #FFF; text-align: center;" |
| style="background: #FFF" | Paras
| colspan="1" style="background:#91A119; text-align: center;" | Bug || style="background:#3FA129" align="center" colspan="1" rowspan="1" | Grass
| style="background: #FFF" | Yanma Gligar Ninjask Vibrava, Flygon
|-
| style="background: #FFF; font-family:monospace,monospace" | 0048
| style="background: #FFF; text-align: center;" |
| style="background: #FFF" | Venonat
| colspan="1" style="background:#91A119; text-align: center;" | Bug || style="background:#9141CB" align="center" colspan="1" rowspan="1" | Poison
| style="background: #FFF" | Yanma Gligar Ninjask Vibrava, Flygon
|-
| style="background: #FFF; font-family:monospace,monospace" | 0050
| style="background: #FFF; text-align: center;" |
| style="background: #FFF" | Diglett
| colspan="2" style="background:#915121; text-align: center;" | Ground
| style="background: #FFF" | Ekans, Arbok Golbat Meowth, Persian Psyduck, Golduck Mankey, Primeape Aipom Umbreon Dunsparce Sneasel Whismur, Loudred, Exploud Seviper Kecleon
|-
| style="background: #FFF; font-family:monospace,monospace" | 0090
| style="background: #FFF; text-align: center;" |
| style="background: #FFF" | Shellder
| colspan="2" style="background:#2980EF; text-align: center;" | Water
| style="background: #FFF" | Tentacool, Tentacruel
|-
| style="background: #FFF; font-family:monospace,monospace" | 0104
| style="background: #FFF; text-align: center;" |
| style="background: #FFF" | Cubone
| colspan="2" style="background:#915121; text-align: center;" | Ground
| style="background: #FFF" | Lickitung Totodile, Croconaw, Feraligatr Larvitar, Pupitar, Tyranitar Treecko, Grovyle, Sceptile Whismur, Loudred,Exploud
|-
| style="background: #FFF; font-family:monospace,monospace" | 0109
| style="background: #FFF; text-align: center;" |
| style="background: #FFF" | Koffing
| colspan="2" style="background:#9141CB; text-align: center;" | Poison
| style="background: #FFF" | Grimer, Muk Shuppet, Banette
|-
| style="background: #FFF; font-family:monospace,monospace" | 0170
| style="background: #FFF; text-align: center;" |
| style="background: #FFF" | Chinchou
| colspan="1" style="background:#2980EF; text-align: center;" | Water || style="background:#FAC000" align="center" colspan="1" rowspan="1" | Electric
| style="background: #FFF" | Carvanha, Sharpedo
|-
| style="background: #FFF; font-family:monospace,monospace" | 0179
| style="background: #FFF; text-align: center;" |
| style="background: #FFF" | Mareep
| colspan="2" style="background:#FAC000; text-align: center;" | Electric
| style="background: #FFF" | Ekans, Arbok Meowth, Persian Psyduck, Golduck Mankey, Primeape Lickitung Totodile, Croconaw, Feraligatr Aipom Umbreon Dunsparce Sneasel Larvitar, Pupitar, Tyranitar Treecko, Grovyle, Sceptile Whismur, Loudred, Exploud Seviper Kecleon
|-
| style="background: #FFF; font-family:monospace,monospace" | 0200
| style="background: #FFF; text-align: center;" |
| style="background: #FFF" | Misdreavus
| colspan="2" style="background:#704170; text-align: center;" | Ghost
| style="background: #FFF" | Grimer, Muk Shuppet, Banette
|-
| style="background: #FFF; font-family:monospace,monospace" | 0222
| style="background: #FFF; text-align: center;" |
| style="background: #FFF" | Corsola
| colspan="1" style="background:#2980EF; text-align: center;" | Water || style="background:#AFA981" align="center" colspan="1" rowspan="1" | Rock
| style="background: #FFF" | Psyduck, Golduck Tentacool, Tentacruel Totodile, Croconaw, Feraligatr Huntail
|-
| style="background: #FFF; font-family:monospace,monospace" | 0223
| style="background: #FFF; text-align: center;" |
| style="background: #FFF" | Remoraid
| colspan="2" style="background:#2980EF; text-align: center;" | Water
| style="background: #FFF" | Psyduck, Golduck Totodile, Croconaw, Feraligatr Huntail
|-
| style="background: #FFF; font-family:monospace,monospace" | 0240
| style="background: #FFF; text-align: center;" |
| style="background: #FFF" | Magby
| colspan="2" style="background:#E62829; text-align: center;" | Fire
| style="background: #FFF" | Electabuzz
|-
| colspan="6" | Bold indicates a Pokémon which gets STAB from this move. Italic indicates a Pokémon whose evolution gets STAB from this move. *Indicates Pokémon that can only learn the move through chain breeding.
|}
|}