Big Finish Doctor Who/Recap/S5/E07 Peri and the Piscon Paradox/CC

Peri and the Fifth Doctor land in Los Angeles in 2009.

Tropes

 * Help Your Self in The Future
 * My Future Self and Me, incorporating
 * Future Me Scares Me: For younger!Peri, who doesn't appreciate her older self's cynicism.
 * I Hate Past Me: For older!Peri, who thinks her younger self is hopelessly naive.
 * Other Me Annoys Me: For both.
 * Self-Fulfilling Prophecy
 * You Will Be Beethoven: Variant. When the villain dies unexpectedly early into his wicked plot, the Sixth Doctor sees no alternative but to pose as the villain so that the whole shebang goes off the way he remembers it happening.