The below contains spoilers about surprise guest stars in Season 4 of “The Bear,” but does not spoil any major plot details. “The Bear” became known for its guest casting beginning with Season 2, when a massive group of renowned actors all got together in Chicago to play friends and relatives of the Berzatto family in “Fishes,

The kitchen dramedy returns Wednesday, a year after its divisive third season ended on a cliffhanger. Here’s what to remember for the new episodes.