There is a few things from last season that were great.

Kathy.
Britney. In live feeds/doing Just the Tip/and DR
Ragan and Rachel fight.- best moment of the season
Brendon and Rachel's freakout during the pov & Jeff and Jordan almost got hit by the bowling ball
Brendon's haircut & chum buddies w Britney.
During the live feeds everyone got drunk in the hoh and Enzo & Brit started watching the kitchen cam and making fun of Hayden & Lane