On the first season finale, Mike feels pressured when Peggy's new boyfriend asks whether he and Molly hear wedding bells in their future.
Victoria panics as her 30th birthday approaches, and drags Mike and Molly into the drama of her "life crisis."
When Joyce invites Vince to attend her high school reunion, Vince confesses to Mike that he never graduated high school, and convinces Mike to help him study for his high school equivalency exam.
When Samuel loses his job and apartment, Mike offers to let him stay at his place...with interesting results.
Mike and Carl's annual pilgrimage to the Chicago Cubs' Opening Day is interrupted when Molly comes along.
When Peggy and Molly have lunch together, Mike worries that his mom is telling Molly unflattering stories about his childhood.
The "Bro-mance" is in jeopardy! Mike and Carl get on each other's nerves after working too many double shifts together during a snowstorm.
When Mike decides that the couch is his new best friend and he doesn't want to leave the house anymore, Molly goes out on the town with her sister, Victoria.
Mike's special plans for his first Valentine's Day with Molly are thrown into jeopardy after he accidentally runs into Molly's ex-boyfriend.
When Mike's mom, Peggy, needs gallbladder surgery, she shocks Molly by asking her to take care of her dog. Meanwhile, Molly is thrown when Mike starts talking about being buried next to her when he dies.
When Vince tries to strike up a friendship with Mike by inviting him to a big basketball game, Molly isn't pleased with their newfound bond.
When Mike falls ill during a night out with Molly at the opera, Mike's mom and Molly clash over who can take better care of him.
Mike tries to find the perfect gift for Molly, but has no idea what to buy for their first Christmas together.
When Carl borrows Mike's apartment for a date, Mike spends more time at Molly's house and ends up bonding with her mom and sister -- getting in touch with his feminine side.
When Mike's overbearing mother (guest star RONDI REED) buys Molly a new hat as a gesture of goodwill, Molly feels obliged to invite her to spend Thanksgiving with her family.
Molly becomes jealous when Mike introduces her as his "friend" to a woman (guest star REBECCA FIELD) who is clearly flirting with him.