When Mike's step-brother Ethan comes to town, Mike has to deal with Bob's blatant favoritism. However, Mike soon learns that Ethan has secrets and is not doing as well as Bob thinks. Stella and Shea team up to beat their parents at family game night after learning that they had been letting them win all these years.

Mike and Martina set their friend John up with a new girl in order to "Frankenstein" the perfect friend-couple, but when John's ex finds out about it, the whole thing blows up in their faces. Shea, Stella and Ethan take over Bob's bar.

The family celebrates Bob and Alice's anniversary by going to the movies, but things don't go as planned when Mike and Martina find a positive pregnancy test.

One of Martina's patients moves in and refuses to leave. Mike misses his mother. Shea gets a boyfriend. Stella gives Martina's patient a makeover.

Martina, Stella and Shea join forces to find Mike's mother. Bob and Mike attract attention when they banter as traffic reporters in Mike's helicopter.

Stella becomes a webcam gal. Shea takes a job at a fast food restaurant. Ethan's crush on Shea grows. Bob and Alice disagree about end-of-life issues.

Mike and Martina experiment with Viagra, while Stella receives harsh criticism over her YouTube channel.

Stella, Shea and Martina assume Ethan is gay after they spot him at a male strip club; and Mike and Bob compete to see who's more attractive to other men.