In addition to the mention of Captain Christopher Pike ("Report to the Veterans Affairs Office at once!"), Norrin Rad is also paged ("Sub-space call for Norrin Radd."). Norrin Rad is the real name of the Silver Surfer from Marvel Comics.
It is revealed that Dr. Huer is a widower.
First time the series flashes back to Buck Rogers in the 20th Century, showing him with his roommate, and his then girlfriend Jennifer.
The picture of Jennifer actually appears in Buck's apartment in Awakening (1979). Wilma notices it on his coffee though the face in the picture is not revealed to the audience.
When Buck is in the spaceport, in addition to characters from Star Trek and Marvel Comics being paged over the intercom, Katar Hol (the real name of the Silver Age Hawkman from DC Comics) is also paged.