The Mary Tyler Moore Show (1970)

S2E7 Didn't You Used to Be . . . Wait . . . Don't Tell Me

Mary goes to her high school reunion and unexpectedly crosses paths with her ex-boyfriend, Howard Arnell, who still harbors feelings for her. At the same time, Rhoda comes along, convinced that she will make an impression and be remembered by everyone, despite never having attended Roseburg High herself.