Shake It Up - Season 1 Episode 15 -

CeCe and Rocky get the chance to dance with Ronnie (played by Anneliese van der Pol) and Angie, two of the original "Shake It up Dancers" for the show's fifteenth anniversary; but former best friends Angie and Ronnie are constantly at each other's throats, which makes CeCe and Rocky evaluate their own friendship. Meanwhile, Ty and Deuce help Flynn plan his goldfish's funeral.