Here is a website where you can find all evo's on serebii.net :)
Level 18.
by leveling up to level 18, it will evolve into croconaw
Totodile evolves into Croconaw at level 16.
Totodile evolves at lvl.18.Hedoes not require an evolution stone.
Totodile evolves at level 18 :) So train hard and don't hesitate to rummage through the grass to find a Pokemon battle
Totodile evolves at Level 18 into Croconaw and then into Feraligatr at Level 30.
Evolves into croconaw at Level 18 Feraligatr at Level 30
Totodile will evolve into Croconaw at level 18 and Croconaw will evolve into Feraligatr at level 30. Feraligatr is the final evolution and cannot evolve further.
Wooper will evolve at Level 20.
Farfetch'd is a Pokemon that does not evolve.
Totodile evolves at level 18.
totodile --lvl.18--> croconaw --lvl.30--> feraligatr