Level-Up Moves:
* Level 1: Tackle
* Level 4: Roar
* Level 7: Quick Attack
* Level 10: Ember
* Level 13: Take Down
* Level 16: Flame Wheel
* Level 19: Bite
* Level 22: Crunch
* Level 25: Flamethrower
* Level 28: Extreme Speed
* Level 31: Heat Wave
* Level 34: Outrage
TM Moves:
* TM01: Focus Blast
* TM02: Dragon Claw
* TM03: Fire Blast
* TM05: Roar
* TM06: Toxic
* TM10: Hidden Power
* TM11: Sunny Day
* TM14: Thunderbolt
* TM15: Hyper Beam
* TM16: Light Screen
* TM17: Protect
* TM21: Dynamic Punch
* TM24: Thunder
* TM25: Thunder Wave
* TM26: Earthquake
* TM27: Return
* TM31: Brick Break
* TM32: Double Team
* TM38: Fire Blast
* TM40: Aerial Ace
* TM41: Rock Tomb
* TM42: Facade
* TM43: Secret Power
* TM44: Rest
* TM45: Attract
* TM46: Thief
* TM48: Skill Swap
* TM50: Overheat
HM Moves:
* HM01: Cut
* HM04: Strength
* HM05: Flash
Notes:
* Growlithe can also learn moves by breeding, but this is not available in Pokemon Red.
* Some moves may require a specific level to learn even if the TM or HM is available.
* The order in which Growlithe learns moves may vary depending on its individual experience and training.
Remember that the moves Growlithe can learn can vary depending on the Pokemon game version. These are just the moves for Pokemon Red.