In the pilot episode, Keely is just becoming friends with Pim because she needs tutoring in algebra. In one of the final scenes, Pim comes up to Phil during lunch and says their dad called, so it's time for them to go home. When you first see Pim her necklace is undone, then when they are getting up to leave Pim's necklace is clasped. See more...
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The entry you are changing the wording of is:
|Title||Phil of the Future|
|Original entry||During lunch when they are sitting at the picnic tables, Troy hands Keely a medal that is blue, and when she puts it around her neck it is yellow.|