Description

Roseanne longs to ride again, Dick Van Dyke hires his hero, and the Scrubs gang gets a visit from Ryan Reynolds! This week's trope is Old friends showing up and the discord that ensues! 
Here's the lineup:

• The Dick Van Dyke Show S1 E30 "The Return of Happy Spangler"
• Roseanne S2 E16 "Born to be Wild"
• Sister, Sister S4 E7 "Boy From the Hood"
• Scrubs S2 E33 "My Dream Job"