Ian Ziering stars in "The Last Sharknado: It's About Time" Sunday on Syfy.

John Stamos is the host of the yearly WE Day special, which ABC presents Friday.

Robbie Gibbons is one of the “Castaways” in the unscripted ABC series premiering Tuesday.

Bill Pullman returns in Season 2 of “The Sinner,” starting Wednesday on USA Network.

Roseanne Barr returns in new episodes of "Roseanne" starting Tuesday on ABC.

Jason George stars in the “Grey’s Anatomy” spinoff “Station 19,” premiering Thursday on ABC.

Lionel Richie (left), Katy Perry and Luke Bryan are the new judges on “American Idol,” which begins its ABC run Sunday.

Jimmy Kimmel hosts the 90th Oscar ceremony Sunday on ABC.