Partner Viability Tool

Is Pikachu good in Pokemon Yellow?

Yes for story and mid-game Electric work—with clear limits. Partner Pikachu is free, follows you, learns Thunderbolt at level 26, and never needs a trade. It is also frail, stone-locked (no Raichu), and loses late to Jolteon or Zapdos. Use the phase grades, matchup table, and keep/bench checklist below.

Story: Excellent Mid-game: Good League finisher: Fair Thunderbolt Lv. 26 No Thunder Stone evo
Pikachu
Partner
Raichu
Blocked
Jolteon
Upgrade
Zapdos
Legendary
Magneton
Wild Spc
Electabuzz
Trade

Fast Answer

Keep it—then upgrade if you want

For a normal Yellow playthrough, keep partner Pikachu at least until Thunderbolt (26) and the Cerulean Bulbasaur happiness check. After Celadon you can evolve Eevee into Jolteon, and after the Power Plant you can catch Zapdos. Pikachu remains a valid full-run mon if you like the anime partner; it is just not the strongest final Electric by base stats.

35HP
55Attack
30Defense
90Speed
50Special

Verdict board

What “good” means here

Where Pikachu shines

  • Always available from minute one
  • Level-up Thunderbolt (Yellow partner set)
  • Strong vs Water / Flying story fights
  • Happiness gates Bulbasaur gift
  • Follow sprite + partner flavor
  • No trade required ever

Where it struggles

  • 35 HP / 30 Defense—paper bulk
  • Special 50 is only okay mid-game
  • 0× Electric into Ground (Brock, Dig, Giovanni rocks)
  • Partner refuses Thunder Stone → no Raichu
  • Jolteon / Zapdos outscale late
  • PP pressure if Thunderbolt is the only real STAB

Phase grades

How good is Pikachu over the run?

Early · Brock–Misty

B−

Useful, not solo carry

Thundershock handles early Water and Flyers. Sit out Brock (Ground immunity). Quick Attack at 11 helps revenge. Bring Mankey / Nidoran / Butterfree for Pewter.

  • Key levels: 8 Wave · 11 Quick Attack · 15 Double Team
  • Deep guide: Beat Brock

Mid · Surge–Silph

A−

Peak partner window

Thunderbolt at 26 makes Pikachu a real mid-game nuke. Excellent for water routes, many Rockets, and general Flying coverage. Still fold to Ground and heavy physical hits.

  • Optional TM24 after Surge for an earlier bolt if you lag levels
  • Keep happiness ≥147 for Bulbasaur

Late · Gyms 6–E4

C+

Serviceable, not optimal

Speed stays respectable; bulk and Special trail modern threats. Giovanni’s Ground core hard-walls Electric. League still has Water and Flying answers, but Jolteon/Zapdos do the same job safer.

Learnset & sets

Yellow partner level-up moves

Lv. 1GrowlNormal · status Lv. 1ThundershockElectric · 40 Lv. 6Tail WhipNormal · status Lv. 8Thunder WaveParalyze Lv. 11Quick AttackNormal · 40 · prio Lv. 15Double TeamEvasion Lv. 20SlamNormal · 80 / 75% Lv. 26ThunderboltElectric · 95 Lv. 33AgilitySpeed +2 Lv. 41ThunderElectric · 120 / 70% Lv. 50Light ScreenSpecial wall

Recommended story moveset

ThunderboltMain STAB · Lv.26 or TM24
Thunder WaveSpeed control · Lv.8
Quick AttackPriority chip · Lv.11
Thunder / Slam / Body SlamFinisher or Normal coverage

TM pool highlights from the Yellow base data: Thunderbolt, Thunder, Body Slam, Seismic Toss, Swift, Thunder Wave, Flash, and more—no Surf/Fly/Strength on standard TM/HM list for Pikachu (Surfing Pikachu is a special case).

Moveset tips

  • Replace Thundershock the moment Thunderbolt lands
  • Thunder’s 70% accuracy is risky vs gyms—bolt first
  • Seismic Toss (TM) stabilizes damage vs bulky Water
  • Light Screen helps special tanks but costs a damage slot
  • Never lead into known Ground STAB

Benchmarks

Pikachu vs other Electrics

Mon BST Spd / Spc How you get it Vs partner Pikachu
Pikachu 260 90 / 50 Starter partner Baseline—free, early bolt
Raichu 395 100 / 90 Thunder Stone (not partner) Stronger—but partner refuses stone
Jolteon 430 130 / 110 Celadon Eevee + Thunder Stone Best single-cart late Electric
Magneton 395 70 / 120 Wild evolution line Higher Special, slower, no Ground immunity issues fixed
Zapdos 490 100 / 125 Power Plant legendary Best overall Electric/Flying finisher
Electabuzz 395 105 / 85 Trade / version access Not for solo-cart first runs
Pikachu

Stat bars · partner

BST 260Medium Fast
HP
35
Atk
55
Def
30
Spe
90
Spc
50
Jolteon

Stat bars · Jolteon upgrade

BST 430Eevee path
HP
65
Atk
65
Def
60
Spe
130
Spc
110

Matchups

Gym-by-gym Electric usefulness

Gym Pikachu role Grade Note Guide
Brock Bench F Rock/Ground · Electric does 0× Open
Misty Primary answer A Water weak to Electric; Starmie still fast Open
Lt. Surge Mirror / support C Raichu resists Electric; use Ground if you have it Open
Erika Situational C+ Grass resists Electric; bring Fire/Flying/Ice Open
Koga Support B− Not ideal into Poison; Wave can help speed control Open
Sabrina Chip only D Psychic outspeeds/out-specials; use your own Psychic Open
Blaine Neutral C Fire not weak to Electric; Water/Rock better Open
Giovanni Bench most of it F Heavy Ground core walls Electric Open

Decision tool

Keep, rotate, or bench?

0 of 0 signals

Check the statements that match your run. The live verdict updates on this device (localStorage).

Verdict loads after a check…

Tick the boxes that match your save. Story mode favors keeping the partner; optimize mode weights raw late-game Electric upgrades more heavily.

Play tips

Get more value from partner Pikachu

Don’t force Brock

Switch to Fighting / Special answers. Forcing Thunder Shock is the #1 “Pikachu is bad” myth generator.

Race level 26

Thunderbolt transforms the mon. Train on Routes 24–25 and water routes once you have a safe plan.

Happiness is a real stat

Bulbasaur wants 147+. Walking, levels, and heals help; long PC time and fainting hurt. Mechanics Lab models it.

Electric is not a solo type

Pair with Ground, Water, or Ice coverage so Giovanni and Ground wilds never soft-lock the party.

FAQ

Pikachu viability questions

Is Pikachu good in Pokemon Yellow?

Yes for story and mid-game. Free access, Thunderbolt by 26, and Water/Flying coverage. Late game prefers Jolteon or Zapdos if you optimize, but a full-run partner clear is completely fine.

When does it learn Thunderbolt?

Level 26 on the Yellow partner learnset. TM24 Thunderbolt from Lt. Surge is also an option if levels lag.

Should I keep Pikachu forever?

Keep through happiness gifts and mid-game. Bench only when a stronger Electric (or the party slot) clearly improves your clear—never release the partner if you still care about follow sprite / completeness.

Is Jolteon better?

As a pure late Electric attacker, yes (130 Spe / 110 Spc). It arrives later via Celadon Eevee + Thunder Stone.

Can the partner become Raichu?

Not via Thunder Stone on a normal cart. Details and rare workarounds: Does Pikachu evolve?

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