it doesn`t
watchog does not evolve
Patrat evolves into watchog at level 20, watchog does not evolve though.
No, Watchog is fully evolved, there are no higher forms for it.
at level 100.
Watchog
At level 20 Patrat will evolve into Watchog
Patrat will evolve into Watchog when it reaches level 20
It evolves at level 20 into Watchog.
yes into watchog
Well, Watchog doesn't evolve but if your talking about Patrat then at level 20.
Patrat evolves at level 20 into a Watchog
Patrat evolves into Watchog at level 20.