Plot: Rainbow Dash's competitive spirit is put to the test when a new pony challenges her to a contest unlike any other. Rainbow Dash faces off against Dishwater Slog in a loser-take-all race to finally prove which pony is truly the worst
Cast
Tara StrongTwilight SparkleTara Strong was 47 in My Little Pony Pony Life - Season 1 - The Best of the Worst - Part 1 (Episode 3).
Birthday: Mon, Feb 12 1973
Tabitha St. GermainRarity / SpikeTabitha St. Germain was 55 in My Little Pony Pony Life - Season 1 - The Best of the Worst - Part 1 (Episode 3).
Birthday: Fri, Oct 30 1964
Ashleigh BallApplejack / Rainbow DashAshleigh Ball was 37 in My Little Pony Pony Life - Season 1 - The Best of the Worst - Part 1 (Episode 3).
Birthday: Thu, Mar 31 1983
Andrea LibmanFluttershy / Pinkie PieAndrea Libman was 35 in My Little Pony Pony Life - Season 1 - The Best of the Worst - Part 1 (Episode 3).
Birthday: Thu, Jul 19 1984