Chicken Little 2: Mission To Mars

Chicken Little 2: Mission To Mars was a planned sequel to the 2005 animated Disney film, Chicken Little.

Plot
The story would involve Chicken Little in the middle of a love triangle between his childhood sweetheart, Abby Mallard, and a very attractive newcomer, a French sheep named Raffaela. Being at a great disadvantage, Abby would go to great lengths to give herself a makeover.

Why It Was Cancelled
The first film was panned from critics and audiences and also flopped at the box office, so Disney decided not to make the sequel.

Result

 * The film was permanently cancelled.