Umbilical Noose
Bonzo Nut
It doesn't even matter if we're getting the reset button.
Look at the bright side, there is no news of TR in upcoming episodes. Or maybe they are doing something so ridiculous that we are not getting any hint of their inclusion.
1. There is no evidence of a reset button
2. The ending theme is irrelevant
Its too early to talk about relevance. The only thing that matters is their interest in Pikachu.