Standouts and fan favorites from "The Bachelor" and "The Bachelorette" return.

With connections already starting to sizzle, Aven's highly anticipated arrival is sure to shake things up on the beaches of paradise; early relationships are tested; another former Bachelorette, Hannah Brown, arrives.

The women hand out roses and couples solidify; when Tyler and Tanner arrive on the beach, all bets are off; Sam must bypass her urgent medical issue or she'll have to leave the beach.