Dr. Peterson is a fictional character portrayed by Keith MacKechnie in the TV series 7th Heaven.
In the first episode they appeared in, titled Say Good-Bye (season 1), they were 41 years old.
They appear in 5 episodes out of a total of 243 aired
Dr. Peterson is also portrayed by Steve Stapenhorst.
Episodes5
Say Good-Bye
episode S1.E20 may 1997Matt becomes uncomfortable when Annie's friend makes a pass at him; Mary makes her singing debut; Lucy loses her best friend.Red Tape
episode S2.E14 february 1998Matt is as surprised about the sudden stream of calls from girls as his sisters about the cause, a dating ad in the school paper he knew nothing about, yet the editor refuses to retract it. Simon and Ruthie try out a pet products credit-card sent on dog Happy's name. Eric abuses a health crisis of tax official Smith, who is near retirement, to make him rectify an erroneous tax debt transfer.Drunk Like Me
episode S3.E2 september 1998Matt has second thoughts about joining a fraternity; Annie buys an old Camaro for Matt and tries to get the family involved in fixing it up.Johnny Get Your Gun
episode S3.E7 november 1998Simon is verbally threatened with gun-violence by Deena's ex-boyfriend, Johnny Morton. School regulations don't allow precipitous action, but Eric's police friend tells him Johnny has a record and his family owns a registered gun. Meanwhile, Jordan is patient with Lucy's weird idea about 'romantic' slapping; Mary's careless basketball blackens Matt's eye, but he thinks Mary might be in real danger if she dates Shana's suave but violent brother George.Life and Death: Part 1
episode S7.E21 may 2003Chandler's father is dying. Eric tries to get Chandler and his father to talk before he dies. Simon asks Cecilia to the prom. Ruthie has problems but does not want to talk about it. Mary has news for her father. Sarah thinks she is pregnant.
- Say Good-Bye
- Red Tape
- Drunk Like Me
- Johnny Get Your Gun
- Life and Death: Part 1