you have to go to the surrounded sea and when you get to the end you will find 2 deluxe boxes and an egg. take the egg and you will get manaphy! After you defeat darkrai do a few missions(manaphy won't come back if you don't do missions) the chatot will tell you that manaphy came back and manaphy will ask to join your team.
after setting manaphy free, complete the following events and beating Darkrai, Manaphy will return.
Manaphy isn't in this game he's in mystery dungeon explorers of Time & darkness or Sky
Surrounded Sea
you go to surrounded sea and complete the dungeon and find an egg.at home it hatches and becomes manaphy.
I don't think there is a Manaphy on Blue Rescue Team.
evolve all of your pokemon,recruit all the legendary pokemon.
craggy coast
-Mongmong908♥♥
You have to be defeated in a dungeon.
not much happens, go on a few missions, and manaphy will return to you
Do the usual of carrying out missions for a few days. Manaphy will come back.
Show it to Chatot in the guild.