While on a fishing trip, Peter and the rest of the disciples see a man walking by the shore but do not immediately know that he is the Lord. (religion-online.org)
Maybe this is why Thomas wasn't in the upper room with the rest of the disciples when Jesus appeared to them three days later. (redeeminggod.com)
8 Later in the story we are told how they shared their experience with the rest of the disciples. (religion-online.org)