Karl T. Wright

When NASA reschedules Howard's mission and puts his wedding plans in jeopardy, he's forced to face his fears and Bernadette's dad (guest star CASEY SANDER). Meanwhile, Leonard says something surprising to Penny in the bedroom.

The agents are called in to investigate the murder of a convict who served nine years for rape and murder, but was recently released on DNA evidence.

A scheming Frasier finally works his way into hosting the annual televised Christmas parade but is horrified to learn that his wildly successful protege - the sassy, brassy radio host Dr Mary - will be his co-host, prompting a battle royal for control of the microphone.

Med runs out of scrubs, forcing the staff to improvise; the life of Archer's son is in danger; Marcel and Charles help a kidney transplant patient experiencing psychosis; Asher and Halstead grow closer.