Crush, played by Zac Dobmeyer, gives his son Squirt, played by Kendall Rolfes, some fin during a dress rehearsal for "Finding Nemo Jr." on Tuesday night. Performances are at 7 p.m. on Thursday and 2 p.m. on Saturday and Sunday in the Coldwater auditeria. Pre-sale tickets, available through the elementary office or Denise Petersen until today at 5 p.m., are $6 for adults and $5 for students. Tickets at the door are $8 for all.