CTV Nothern Ontario/ Sault Ste. Marie (CHBX)

Howard is jealous when Bernadette runs into her old boyfriend at a science event they're attending. (Repeat).

Guests include Jon Hamm ("Fargo") and Bowen Yang and Matt Rogers (The 3rd Annual Las Culturistas Culture Awards). (Repeat).

Jerry witnesses an accident---and is attracted to the victim (Helen Slater) and the perpetrator. Kramer: Michael Richards. Elaine: Julia Louis-Dreyfus. George: Jason Alexander. (Repeat).

Kramer sits for Jerry's artist girlfriend (Catherine Keener), but Jerry won't stand for her temperament, until she declares her feelings. Richard Fancy, Richard Venture. (Repeat).

George argues with a stranger (Lee Arenberg) over a "dream" parking space in front of Jerry's apartment. Newman: Wayne Knight. Kramer: Michael Richards. Elaine: Julia Louis-Dreyfus. (Repeat).

Kramer hits the road after a dispute over his use of his keys to Jerry's apartment. Newman: Wayne Knight. Lisa: Nina Tremblay. George: Jason Alexander. Elaine: Julia Louis-Dreyfus. (Repeat).

Current entertainment news, along with profiles of people in the headlines.

(Repeat).

Unassuming people enter the Cash Cab as passengers expecting a normal taxi ride. (Repeat).

News from Northern Ontario with local sports and weather updates. (Repeat).

Comprehensive national news, including current events, weather, and sports. (Repeat).

Morning insights on today's headlines with unique perspectives. (Live).

Morning insights on today's headlines with unique perspectives. (Live).

Morning insights on today's headlines with unique perspectives. (Live).

Morning insights on today's headlines with unique perspectives. (Live).

Morning insights on today's headlines with unique perspectives. (Live).

(Live).

Mary makes sweet potato enchiladas; Sophie Grégoire Trudeau; Mother's Day makeover; Pattie Lovett-Reid shares money lessons from mom. (Repeat).

(New).

Jamie heads north into the British Columbia interior to save a tractor-trailer on its side. With Mighty Mo sidelined and an avalanche of bad luck, the job turns into Jamie's worst nightmare. (Repeat).

Faced with a life without physics when he gets fired, Sheldon resorts to weaving ponchos, forcing a worried Leonard to call Sheldon's mother for help. Mary: Laurie Metcalf. Dr. Eric Gablehauser: Mark Harelik. Summer: Sierra Edwards. (Repeat).

(New).

(New).

After a chance encounter, Abishola and Christina unexpectedly hit it off as future sisters-in-law. Meanwhile, at MaxDot, Douglas gives the workers a much-needed morale boost but feels pressured when Bob praises him as a natural leader. (Repeat).

After graduating high school, Sheldon has a breakdown when he fears he may not be ready for college. Also, Dale tries to make amends with Meemaw. (Repeat).

The arrival of a famous physicist (Judy Greer), has Sheldon and Leonard competing for her attention. (Repeat).

Leonard tells Penny the story of how he met Sheldon. (Repeat).

Comprehensive evening news from Northern Ontario, including sports and weather. (New).

A look at the top news stories of the day, focusing on issues that are most important to Canadians. (New).

News from Northern Ontario with local sports and weather updates. (Live).

Current entertainment news, along with profiles of people in the headlines. (New).

The friendship contract is in danger of being nullified when Leonard tires of Sheldon's selfish ways; Howard spaces out over selecting an astronaut nickname for himself. (Repeat).

The four generations go head-to-head as the top 20 enter the MasterChef kitchen. The chefs are faced with their first mystery box challenge, where they are presented with a childhood photo of themselves and tasked with creating a restaurant-worthy dish that highlights their favorite nostalgic comfort foods. (New).

The entrepreneurs are tasked with innovating a new chocolate product by crafting an original name, label and jingle for their creations. (New).

(New).

Comprehensive national news, including current events, weather, and sports. (New).

News from Northern Ontario with local sports and weather updates. (Live).

Sheldon wants acting lessons from Penny, hoping they will make him a better teacher. (Repeat).

Guests include Sandra Oh (The Welkin), Retta (Hitman) and musical guest Ben Platt (Performance "Before I Knew You", Album: Honeymind). Roni Kaspi sits in with the 8G Band. (Repeat).

A show about "nothing" is George's pitch to network execs interested in a series for Jerry. Susan: Heidi Swedberg. Dalrymple: Bob Balaban. Joe: Peter Crombie. George: Jason Alexander. (Repeat).

Jerry and George take another meeting; Kramer testifies for Newman (Wayne Knight) in a speeding-ticket protest. Dalrymple: Bob Balaban. Uncle Leo: Len Lesser. Susan: Heidi Swedberg. Judge: Al Fann. (Repeat).

Jerry's dad has a bad time at the back doctor's; Elaine wants to part with her boyfriend (Stephen McHattie); Jerry's unhappy with George's network "negotiating." (Repeat).

The network president (Bob Balaban) doesn't play George's game; Jerry deals for his "broken" watch; Elaine is a hot topic in the office of her psychiatrist boyfriend (Stephen McHattie). (Repeat).

Current entertainment news, along with profiles of people in the headlines.

(Repeat).

(Repeat).

News from Northern Ontario with local sports and weather updates. (Repeat).

Comprehensive national news, including current events, weather, and sports. (Repeat).

Morning insights on today's headlines with unique perspectives. (Live).

Morning insights on today's headlines with unique perspectives. (Live).

Morning insights on today's headlines with unique perspectives. (Live).

Morning insights on today's headlines with unique perspectives. (Live).

Morning insights on today's headlines with unique perspectives. (Live).

(Live).

Jann Arden stops by and bakes with Mary; spring clean and declutter digital devices; Chinese noodle traditions; Jimbo The Drag Clown. (Repeat).

(New).

Back for round two , Jamie Davis battles his toughest wreck in years and this time he calls in a familiar face and a 50-ton rotator; Al tries to wrestle a 70-ton excavator out of a mud hole. (Repeat).

Leonard has a one-night stand with fellow scientist Leslie Winkle (Sara Gilbert). (Repeat).

Luna realizes that there may be more to her mother's past than she's previously revealed. Steffy and Hope argue over Hope's interference in Thomas's life. (New).

Jon Montgomery sets up "Amazing Race Canada." And, fresh takes on headlines and topics that matter to Canadians. (New).

After Tayo forbids Dele from dancing, Abishola enlists Bob's help in talking to Dele about his feelings. (Repeat).

Sheldon gets a summer job at the local train museum. Also, George and Missy bond when Missy embarks on a new stage of womanhood, and Georgie discovers Mary's guilty pleasure. (Repeat).

In the third-season finale, Wolowitz and Koothrappali play matchmaker for Sheldon by setting up an online-dating profile for him. Meanwhile, Penny thinks that her relationship with Leonard has affected her ability to date "normal" men. (Repeat).

In the fourth-season opener, Sheldon goes on a date with Amy Fowler----his first date ever---and Penny finds herself accompanying them. (Repeat).

Comprehensive evening news from Northern Ontario, including sports and weather. (New).

A look at the top news stories of the day, focusing on issues that are most important to Canadians. (New).

News from Northern Ontario with local sports and weather updates. (Live).

Current entertainment news, along with profiles of people in the headlines. (New).

Sheldon takes it easy by working with Amy at her neurobiology lab after the university orders him to take a vacation. Meanwhile, Howard gets worked up when Bernadette suggests they sign a prenuptial agreement. (Repeat).