I like Android/Cell saga, bcoz i like when Vegeta brags his USSJ to Imperfect Cell. And I like Trunks when he goes to USSJ when Vegeta knocked out.

And the cool story line is in Buu Saga, when Vegeta confess that Goku are number 1.

"The sword doesn't make u a man" - Mirai Trunks